Coord 2000 | 03494+2423 | Discov num | STTA 40 | Comp | AB | Coord arcsec 2000 | 03 49 21.74 +24 22 51.8 | ||||
Date first | 1875 | Date last | 2020 | Obs | 33 | ||||||
Pa first | 308 | Pa last | 309 | P.A. Now (θ) | 309° | ||||||
Sep first | 87.0 | Sep last | 86.84 | Sep. Now (ρ) | 86.84" | ||||||
Mag pri | 6.58 | Mag sec | 7.53 | delta mag (ΔM) | 0.95 | Spectral class | B9.5V (blue-white) | ||||
Pri motion ra | +017 | Sec motion ra | +019 | ||||||||
Pri motion dec | -045 | Sec motion dec | -046 | ||||||||
Notes | N W (See Notes, ) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 76236 | 03 49 22 +24 22 52 | OCC 253 Aa,Ab | 1987 | 0 | -1 | 1.6 | 7.30 | 7.40 | 0.10 | |||
Show | HD 23873 | 76236 | 03 49 22 +24 22 52 | STTA 40 AB | 2020 | 33 | 309 | 86.8 | 6.58 | 7.53 | 0.95 | <=== | |
Show | 76236 | 03 49 22 +24 22 52 | HL 31 AE | 2018 | 8 | 83 | 115.5 | 6.58 | 13.83 | 7.25 | |||
Show | 76236 | 03 49 22 +24 22 52 | HL 31 AF | 2018 | 8 | 106 | 181.8 | 6.58 | 14.57 | 7.99 | |||
Show | 76236 | 03 49 22 +24 22 52 | HL 31 AG | 2018 | 8 | 212 | 159.4 | 6.58 | 15.09 | 8.51 | |||
Show | 76234 | 03 49 17 +24 23 46 | HL 30 BC | 2018 | 15 | 14 | 70.3 | 7.53 | 11.87 | 4.34 | |||
Show | 76234 | 03 49 17 +24 23 46 | HL 30 BD | 2018 | 14 | 241 | 80.5 | 7.53 | 12.05 | 4.52 | |||
Show | 76234 | 03 49 17 +24 23 46 | HL 30 BH | 2018 | 12 | 273 | 147.5 | 7.53 | 13.10 | 5.57 | |||
Show | 76234 | 03 49 17 +24 23 46 | HL 30 BI | 2018 | 11 | 229 | 147.1 | 7.53 | 14.53 | 7.00 |
Name | HD 23873 | Constellation | Taurus | SAO | 76236 | HIP | 17862 | ||||
Tycho2 | 1804-02047-1 | Gaia DR2 | 66745617143891968 | HD | 23873 | GC | 4591 | ||||
BD | BD+23 561 | Distance | 122.25 | Distance ly | 398.78 |
discov_num | notes | refcode |
STTA 40 | AB: LDS6116. B is BD+23@560. A is Pleiades star and occultation double | |
HL 30 | BC: Primary is Pleiades star. Also known as STU 2BC. | |
HL 30 | BD: Also known as STU 2BD. |
refcode | metd | author | reference |
Hl_1866 | Ma j | Hall, A. | 1866AN.....66..381H |
Hl_1866 | AN 66, 381, 1866 | ||
Hl_1872 | Ma j | Hall, A. | 1872AN.....79..247H |
Hl_1872 | AN 79, 247, 1872 (data also in Hl_1877a) | ||
Hl_1874 | Ma - | Hall, A. | 1874AN.....84...17H |
Hl_1874 | AN 84, 17, 1874 (data also in Hl_1877a) | ||
Hl_1875a | Ma j | Hall, A. | . |
Hl_1875a | Washington Observations, 1875 | ||
Hl_1875b | Ma j | Hall, A. | 1875AN.....86..321H |
Hl_1875b | AN 86, 321, 1875 (data also in Hl_1877a) | ||
Hl_1876 | Ma j | Hall, A. | 1876AN.....88..131H |
Hl_1876 | AN 88, 131, 1876 | ||
Hl_1877a | Ma j | Hall, A. | . |
Hl_1877a | Washington Observations, Appendix 6, 1877 | ||
Hl_1877b | Ma - | Hall, A. | 1877MNRAS..38...78H |
Hl_1877b | MNRAS 38, 78, 1877 | ||
Hl_1877c | Ma j | Hall, A. | 1877AN.....90..161H |
Hl_1877c | AN 90, 161, 1877 | ||
Hl_1878 | Ma j | Hall, A. | 1878AN.....93...65H |
Hl_1878 | AN 93, 65, 1878 (data also in Hl_1877a) | ||
Hl_1879 | Ma j | Hall, A. | 1879AN.....95..329H |
Hl_1879 | AN 95, 329, 1879 (data also in Hl_1877a) | ||
Hl_1880 | Ma j | Hall, A. | 1880AN.....97..319H |
Hl_1880 | AN 97, 319, 1880 (data also in Hl_1888) | ||
Hl_1881 | Ma - | Hall, A. | 1888Obs.....4..281H |
Hl_1881 | Observatory 4, 281, 1881 (data also in Hl_1888) | ||
Hl_1881b | Ma j | Hall, A. | 1881MNRAS..41..416. |
Hl_1881b | MNRAS 41, 416, 1881 | ||
Hl_1882 | Ma j | Hall, A. | 1882MNRAS..42..323H |
Hl_1882 | MNRAS 42, 323, 1882 (data also in Hl_1888) | ||
Hl_1882b | Ma - | Hall, A. | 1882AN....102...91H |
Hl_1882b | AN 102, 91, 1882 (data also in Hl_1888) | ||
Hl_1883 | Ma j | Hall, A. | 1883MNRAS..43Q.330H |
Hl_1883 | MNRAS 43, 330, 1883 | ||
Hl_1884 | Ma j | Hall, A. | 1884MNRAS..44..360H |
Hl_1884 | MNRAS 44, 360, 1884 (data also in Hl_1888) | ||
Hl_1884B | Ma - | Hall, A. | 1884AReg...22..216S |
Hl_1884B | cited by Sadler (Astr. Register 22, 216, 1884) | ||
Hl_1885 | Ma j | Hall, A. | 1885MNRAS..45..426H |
Hl_1885 | MNRAS 45, 426, 1885 (data also in Hl_1888) | ||
Hl_1886 | Ma j | Hall, A. | 1886MNRAS..46..453H |
Hl_1886 | MNRAS 46, 453, 1886 | ||
Hl_1887 | Ma j | Hall, A. | 1887AJ......7...99H |
Hl_1887 | AJ 7, 99, 1887 (data also in Hl_1888) | ||
Hl_1889 | Ma - | Hall, A. | 1889AJ......9...75H |
Hl_1889 | AJ 9, 75, 1889 (data also in Hl_1888) | ||
Hl_1891 | Ma - | Hall, A. | . |
Hl_1891 | Washington Observations, 1891 | ||
Hl_1891b | Ma - | Hall, A. | 1891AJ.....11...54H |
Hl_1891b | AJ 11, 54, 1891 (data also in Hl_1888) | ||
Hl_1892 | orb - | Hall, A. | 1892AJ.....12...33H |
Hl_1892 | AJ 12, 33, 1892 | ||
Hl_1892b | Ma - | Hall, A. | 1892AJ.....12....4H |
Hl_1892b | AJ 12, 4, 1892 (data also in Hl_1888) | ||
Hl_1892c | Ma j | Hall, A. | 1892USNOO...6E...1H |
Hl_1892c | Washington Observations for 1888, Appendix 1, 1892 | ||
Hl_1892c | (covers years 1888-1890) | ||
Hl_1893 | Ma - | Hall, A. | 1893AJ.....13..119H |
Hl_1893 | AJ 13, 119, 1893 (data also in Hl_1888) | ||
Hl_1893b | Ma - | Hall, A. | 1893AJ.....13..113H |
Hl_1893b | AJ 13, 113, 1893 (data also in Hl_1888) | ||
Hl_1894 | orb - | Hall, A. | 1894AJ.....14...89H |
Hl_1894 | AJ 14, 89, 1894 | ||
Hl_1906A | Ma - | Hall, A. | 1906QB821.B972..... |
Hl_1906A | cited in BDS (Burnham Double Star Cat.), 1906 | ||
Hl_1906B | Ma - | Hall, A. | 1906MmRAS..56....1L |
Hl_1906B | cited by Lewis (MemRAS 56, 1, 1906) | ||
Hl_9999 | Ma j | Hall, A. | ................... |
Hl_9999 | Unpublished, manuscript or reference not found. | ||
OCC1971 | O j | Taylor, G.E., O'Leary, B., van Fladern, T.C. Bartholdi, P., Owen, F., | 1971Natur.234..405T |
OCC1971 | Hubbard, W.B., Smith, B.A., Smith, S.A., Fallon, F.W. Devinney, E.J. & Oliver, J. | ||
OCC1971 | Nature 234, 405, 1971 (also summarized in OCC2010) | ||
OCC1972 | O j | Hubbard, W.B. & van Flandern, T.C. | 1972AJ.....77...65H |
OCC1972 | AJ 77, 65, 1972 | ||
OCC1976 | O j | Taylor, G.E., Walker, E.N., Quintanilla, A.R. & Lopez de Coca, M.P. | 1976A&A....50..121T |
OCC1976 | A&A 50, 121, 1976 (also summarized in OCC2010) | ||
OCC1990 | O j | Dunham, D.W., Dunham, J.B., Binzel, R.P., Evans, D.S., Freuh, M., Henry, G.W., | 1990AJ.....99.1636D |
OCC1990 | A'Hearn, M.A., Schnurr, R., Betts, R., Haynes, H., Orcutt, R., Bowell, E., et al. | ||
OCC1990 | AJ 99, 1636, 1990 (also summarized in OCC2010) | ||
OCC1993 | O j | Sato, I., Soma, M. & Hirose, T. | 1993AJ....105.1553S |
OCC1993 | AJ 105, 1553, 1993 (also summarized in OCC2010) | ||
OCC2001 | O - | Vasundhara, R., Jayakumar, K., Velu, C., Appakutty, M., Paranjpye, A., | 2001BASI...29..577V |
OCC2001 | Kulkarni, H., Nitsure, P., Prabhunne, M. & Shah, K. | ||
OCC2001 | Bull. Astr. Soc. India 29, 577, 2001 (also summarized in OCC2010) | ||
OCC2002 | O - | Occult. Doubles Cat., D. Dunham, ed. | . |
OCC2002 | http://www.lunar-occultations.com/iota/iotandx.htm | ||
OCC2008 | O j | Ling, A. | 2008JRASC.102...15L |
OCC2008 | JRASC 102, 15, 2008 | ||
OCC2009 | O u | Herald, D. and Sandy, R. | 2009JDSO....5..208H |
OCC2009 | JDSO 5, 208, 2009 | ||
OCC2009b | O j | Lin, C.-L., Zhang, Z.-W., Chen, W.P., King, S.-K., Lin, H.-C., Bianco, F.B., | 2009PASP..121..359L |
OCC2009b | Lehner, M.J., Coehlo, N., Wang, J.-H., Mondal, S., Alcock, C., Axelrod, T., et al. | ||
OCC2009b | PASP 121, 359, 2009 (also summarized in OCC2010) | ||
OCC2010 | O u | Herald, D., Boyle, R., Dunham, D., Hirose, T., Maley, P., Timerson, B., Farris, | 2010JDSO....6...88H |
OCC2010 | T., Frappa, E., Lecacheux, J., Hayamizu, T., Kozubal, M., Nolthenius, R., et al. | ||
OCC2010 | JDSO 6, 88, 2010 | ||
OCC2010b | O u | Herald, D., Loader, B. & Parker, S. | 2010JDSO....6..150H |
OCC2010b | JDSO 6, 150, 2010 | ||
OCC2010c | O - | Herald, D., Kashiwagura, M., Loader, B., Messner, S., Sandy, R. & Togashi, H. | 2010JDSO....6..152H |
OCC2010c | JDSO 6, 152, 2010 | ||
OCC2010d | O u | Loader, B., Asada, Y., Breit, D., Bradshaw, J., Gault, D., Herald, D., Iverson, | 2010JDSO....6..176L |
OCC2010d | E., Ishida, M., Karasaki, H., Kashiwagura, M., Miyashita, K., Messner, S., et al. | ||
OCC2010d | JDSO 6, 176, 2010 | ||
OCC2011 | O u | George, T., Timerson, B., Coughlin, K. & Fleishman, R. | 2011JDSO....7..129G |
OCC2011 | JDSO 7, 129, 2011 | ||
OCC2011b | O u | Loader, B. Bradshaw, J., Breit, D., Gault, D., George, T., Herald, D., Iverson, | 2011JDSO....7..159L |
OCC2011b | E., Ishida, M., Karasaki, H., Kashiwagura, M., Kenmotsu, K., Lowe, D., et al. | ||
OCC2011b | JDSO 7, 159, 2011 | ||
OCC2011c | O u | George, T., Timerson, B., Cooke, B., Degenhardt, S., Dunham, D.W., Messner, S., | 2011JDSO....7..169G |
OCC2011c | Suggs, R., Venable, R. & Warren, W.H. | ||
OCC2011c | JDSO 7, 169, 2011 | ||
OCC2011d | O - | George, T., Timerson, B., Beard, T., Blank, T., Dantowitz, R., Davis, J., | 2011JDSO....7..175G |
OCC2011d | di Cicco, D., Dunham, D.W., Hill, M., Sliski, A. & Sumner, R. | ||
OCC2011d | JDSO 7, 175, 2011 | ||
OCC2011e | O j | Bulder, H., Loader, B., Herald, D., Messner, S., Ling, A., Raab, H., | ................... |
OCC2011e | Culbertson, B., Black, S., Ishida, M., Ohno, T., & Miyashita, K. | ||
OCC2011e | J. for Occultation Astron., #3, Jul-Sep 2011 (some data also in OCC2008) | ||
OCC2012a | O j | George, T., Timerson, B., Degenhardt, S., Bracken, C., Cadmus, R., Carcich, A., | 2012JDSO....8..306G |
OCC2012a | Centala, J., Modic, R., & Slauson, D. | ||
OCC2012a | JDSO 8, 306, 2012 | ||
OCC2012b | O u | Loader, B., Asada, Y., Bradshaw, J., Breit, D., Fuertes, J., Gault, D., George,T., | 2012JDSO....8..313L |
OCC2012b | Graham, P., Herald, D., Holenstein, B., Iverson, E., Ishida, M., et al. | ||
OCC2012b | JDSO 8, 313, 2012 | ||
OCC2013a | O - | George, T., Timerson, B., Brooks, J., Conrad, S., Dunham, J.B., Dunham, D.W., | 2013JDSO....9...88G |
OCC2013a | Jones,R., Lipka, T.R., Thomas, W., Warren, W.J., Jr., Wasson, R. & Wisniewski, J. | ||
OCC2013a | JDSO 9, 88, 2013 | ||
OCC2013b | O j | Giacchini, B.L., Timerson, B., George, T., Degenhardt, S. & Herald, D. | 2013JDSO....9..130G |
OCC2013b | JDSO 9, 130, 2013 | ||
OCC2013c | O j | Casas, R., Juan, J., Naves, R., Perello, C., Rovira, J., Selva, A. & Schnabel, C. | 2013JDSO....9..183C |
OCC2013c | JDSO 9, 183, 2013 | ||
OCC2013d | O j | Herald, D., Talbot, J., Bradshaw, J., Broughton, J., Hanna, W. & Watson, D. | 2013JDSO....9..226H |
OCC2013d | JDSO 9, 226, 2013 | ||
OCC2013e | O - | Herald, D. | 2013JDSO....9..274H |
OCC2013e | JDSO 9, 274, 2013 | ||
OCC2014a | O - | Loader, B. | 2014JDSO...10....2L |
OCC2014a | JDSO 10, 2, 2014 | ||
OCC2014b | O - | Gault, D. | 2014JDSO...10....4G |
OCC2014b | JDSO 10, 4, 2014 | ||
OCC2014c | O - | Herald, D., Talbot, J., Chad, C., Broughton, J. & Anderson, P. | 2014JDSO...10...29H |
OCC2014c | JDSO 10, 29, 2014 | ||
OCC2014d | O j | Herald, D., Talbot, J. & Kerr, S. | 2014JDSO...10..107H |
OCC2014d | JDSO 10, 107, 2014 | ||
OCC2014e | O u | Loader, B., Bradshaw, J., Breit, D., Edens, E., Forbes, M., Gault, D., George, T., | 2014JDSO...10..150L |
OCC2014e | Haymes, T., Herald, D., Holenstein, B., Ito, T., Iverson, E., et al. | ||
OCC2014e | JDSO 10, 150, 2014 | ||
OCC2014f | O - | Soma, M., Hayamizu, T., Ishida, M., Owada, M., Ida, M., Aikawa, R., Hashimoto, A., | 2014JDSO...10..240S |
OCC2014f | Horaguchi, T., Kitazaki, K., Uchiyama, S., Uehara, S., Yaeza, A., et al. | ||
OCC2014f | JDSO 10, 240, 2014 | ||
OCC2016a | O j | Loader, B., Asai, A., Bardecker, J., Bradshaw, J., Breit, D., Buettner, D., | 2016JDSO...12..143L |
OCC2016a | Chad, C., Denyer, P., Edens, E., Forbes, M., Gault, D., George, T., et al. | ||
OCC2016a | JDSO 12, 143, 2016 | ||
OCC2016b | O - | Gault, D. & Herald, D. | 2016JDSO...12..556G |
OCC2016b | JDSO 12, 556, 2016 | ||
OCC2017a | O j | Loader, B., Anderson, P., Asai, A., Bradshaw, J., Breit, D., Forbes, M., | 2017JDSO...13..585L |
OCC2017a | Gault, D., George, T., Haymes, T., Herald, D., Ishida, M., Kerr, S., et al. | ||
OCC2017a | JDSO 13, 585, 2016 | ||
OCC2018a | O j | Timerson, B., George, T., Blank, T., Maley, P., Messner, S. & Moore, J. | 2018JDSO...14..395T |
OCC2018a | JDSO 14, 395, 2018 | . | |
OCC2019a | O j | Timerson, B., George, T., Bean, J., Blank, T., Bardecker, J., Dunham, D., Dunham, | 2019JDSO...15..162T |
OCC2019a | J., Gimple, B., Maley, P., Anthony, S., Wiesenborn, C., Hunt, T., Sumner, R. & | ||
OCC2019a | Thomas, W. | ||
OCC2019a | JDSO 15, 162, 2019 | . | |
OCC2019b | O j | Hirose, T., Ida, M., Yamamura, H., Uchiyama, S., Hashimoto, A., Aikawa, R., | 2019JDSO...15..268H |
OCC2019b | Terakubo, K., Sato, M. & Shima, K. | ||
OCC2019b | JDSO 15, 268, 2019 | . | |
OCC2019c | O j | Loader, B., Asada, Y., Asai, A., Bardecker, J., Bourgeois, J., Bradshaw, J., Chad, | 2019JDSO...15..503L |
OCC2019c | C., Ellington, C., Gault, D., Giacchini, B., Haymes, T., Herald, D., Ishida, M., | ||
OCC2019c | Iverson, E., Kerr, S., Manek, J., McKay, G., Messner, S., Pratt, A., Sandy, R., | ||
OCC2019c | Watanabe, H., Yamamura, H. & Yoshida, H. | ||
OCC2019c | JDSO 15, 503, 2019 | . | |
OCC2019d | O j | Giacchini, B.L., George, T., Spagnotto, J. & Wilberger, A.J. | 2019JDSO...15..554G |
OCC2019d | JDSO 15, 554, 2019 | . | |
OCC2020a | O - | Perello, C., Frappa, E., Janik, T., Kattentidt, B., Polak, J., Rottenborn, M. & | 2020JDSO...16...87P |
OCC2020a | Selva, A. | ||
OCC2020a | JDSO 16, 87, 2020 | ||
OCC2020b | O | Herald, D. | 2020JDSO...16..113H |
OCC2020b | JDSO 16, 105, 2020 | ||
OCC2020c | O | Bardecker, J. & Messner, S. | 2020JDSO...16..405B |
OCC2020c | JDSO 16, 405, 2020 | ||
OCC2020d | O | Gault, D., Barry, T., Nosworthy, P., Hanna, W., Messner, S., Oesper, D., Dunford, | 2020JDSO...16..440G |
OCC2020d | R., Trank, R., Preston, S. & Herald, D. | ||
OCC2020d | JDSO 16, 440, 2020 | ||
OCC2020e | O | Boutet, M. & Sanchez, J. | 2020JDSO...16..483B |
OCC2020e | JDSO 16, 483, 2020 | ||
OCC2021a | O | Hayamizu, T., Soma, M., Watanabe, Ha., Asai, A., Watanable, Hi. & Nohara, H. | 2021JDSO...17..131H |
OCC2021a | JDSO 17, 131, 2021 | ||
OCC2021b | O | Frappa, E., Zeleny, P., Baruffetti, P., Bendjeddou, A., Bigi, M., Bouazara, O., | 2021JDSO...17..230F |
OCC2021b | Gacem, A., Khenifer, H.M., Mokhtari, L., Nosal, P., Rayane, H., Selimi, T.E.M., | ||
OCC2021b | Sposetti, S. & Aissa, D.B. | ||
OCC2021b | JDSO 17, 230, 2021 | ||
OCC2022a | O | Hayamizu, T., Soma, M., Watanabe, Hi., Asai, A., Watanable, Ha., Akira, A., | 2022JDSO...18...61H |
OCC2022a | Ida, M., Uchiyama, S., Nagata, T., Yamamura, H., Owada, M. & Yamashita, M. | ||
OCC2022a | JDSO 18, 61, 2022 | ||
OCC2022b | O j | Andersson, S. | 2022JDSO...18..207A |
OCC2022b | JDSO 18, 207, 2022 | ||
OCC2022c | O j | Klos, O. | 2022JDSO...18..210K |
OCC2022c | JDSO 18, 210, 2022 | ||
OCC2023a | O j | Bardecker, J. | 2023JDSO...19...59B |
OCC2023a | JDSO 19, 59, 2023 | ||
STTA | (O. Struve DD - Appendix list) | ................... | |
Stt1864 | Ma - | Struve, O. | 1864MNRAS..24..149S |
Stt1864 | MNRAS 24, 149, 1864 | ||
Stt1866 | orb - | Struve, O. | . |
Stt1866 | Bull. Imp. Acad. Sci. St. Petersburg, 1866 | ||
Stt1874 | orb - | Struve, O. | . |
Stt1874 | Compte Rendus 79, 1467, 1874 | ||
Stt1875 | orb - | Struve, O. | 1875MNRAS..35..367S |
Stt1875 | MNRAS 35, 367, 1875 | ||
Stt1878 | Ma - | Struve, O. | 1878ObPul...9....1S |
Stt1878 | Pulkova Observations 9, 1, 1878 | ||
Stt1879A | Ma - | Struve, O. | 1879Obs.....2..304G |
Stt1879A | cited by Gledhill (Obs 2, 304, 1879) | ||
Stt1879B | Ma - | Struve, O. | 1879Obs.....3..245G |
Stt1879B | cited by Gledhill (Obs 3, 245, 1879) | ||
Stt1879C | Ma - | Struve, O. | 1879Obs.....2..344G |
Stt1879C | cited by Gledhill (Obs 2, 344, 1879) | ||
Stt1880A | Ma - | Struve, O. | 1880Obs.....2..605H |
Stt1880A | cited by Hunt (Obs. 3, 605, 1880) | ||
Stt1880B | Ma - | Struve, O. | 1880Obs.....3..535G |
Stt1880B | cited by Gledhill (Obs 3, 535, 1880) | ||
Stt1880C | Ma - | Struve, O. | 1880MNRAS..40..497B |
Stt1880C | cited by Burnham (MNRAS 40, 497, 1880) | ||
Stt1884A | Ma - | Struve, O. | 1884AReg...22..216S |
Stt1884A | cited by Sadler (Astr. Register 22, 216, 1884) | ||
Stt1893a | Ma j | Struve, O. | 1893ObPul..10....1S |
Stt1893a | Pulkova Obs. Observations 10, 1, 1893 | ||
Stt1906A | Ma - | Struve, O. | 1906MmRAS..56....1L |
Stt1906A | cited by Lewis (MemRAS 56, 1, 1906) | ||
Stt1906B | Ma j | Struve, O. | 1906QB821.B972..... |
Stt1906B | cited in BDS (Burnham Double Star Cat., 1906) | ||
Stt1908A | Ma - | Struve, O. | 1908MNRAS..68..465B |
Stt1908A | cited by Barnard (MNRAS 68, 465, 1908) | ||
Stt1913A | Ma - | Struve, O. | 1913QB811.B8....... |
Stt1913A | cited by Burnham (Carnegie Inst. Wash. #168, 1913) | ||
Stt1914A | Ma - | Struve, O. | 1914AN....198..107R |
Stt1914A | cited by Rabe (AN 198, 107, 1914) | ||
Stt1932A | Ma - | Struve, O. | 1932QB821.A43...... |
Stt1932A | cited in ADS (Aitken Double Star Cat., 1932) |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
03494+2423 | STTA 40 | AB | 2000 | 18 | 309 | 86.5 | 6.58 | 7.53 | B9.5V | N D | 034921.74+242251.8 |
03494+2423 | STTA 40 | AB | 2009 | 19 | 309 | 86.9 | 6.58 | 7.53 | B9.5V | N D | 034921.74+242251.8 |
03494+2423 | STTA 40 | AB | 2012 | 20 | 309 | 87.0 | 6.58 | 7.53 | B9.5V | N D | 034921.74+242251.8 |
03494+2423 | STTA 40 | AB | 2015 | 24 | 309 | 86.9 | 6.58 | 7.53 | B9.5V | N | 034921.74+242251.8 |
03494+2423 | STTA 40 | AB | 2017 | 28 | 309 | 87.4 | 6.58 | 7.53 | B9.5V | N W | 034921.74+242251.8 |
03494+2423 | STTA 40 | AB | 2018 | 31 | 308 | 86.7 | 6.58 | 7.53 | B9.5V | N W | 034921.74+242251.8 |
03494+2423 | STTA 40 | AB | 2020 | 33 | 309 | 86.8 | 6.58 | 7.53 | B9.5V | N W | 034921.74+242251.8 |
Show | date | username | difficulty | sep | sep_sigma | pa | pa_sigma | delta_mag | # | notes |
Show | 15/05/09 | kapp8 | 51.00 | 0.32 | 113.00 | 0.57 | 1 | foto di Marco Lorenzi |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
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A | Ab | B | C | D | E | F | G | H | |
Ab | pa=0.0° sep=0.00" | ||||||||
B | pa=308.9° sep=86.91" | pa=308.9° sep=86.91" | |||||||
C | pa=336.8° sep=133.70" | pa=336.8° sep=133.70" | pa=12.4° sep=69.97" | ||||||
D | pa=276.9° sep=132.90" | pa=276.9° sep=132.90" | pa=239.0° sep=75.03" | pa=216.6° sep=133.21" | |||||
E | pa=82.4° sep=105.35" | pa=82.4° sep=105.35" | pa=103.3° sep=176.81" | pa=124.8° sep=191.15" | pa=90.5° sep=236.38" | ||||
F | pa=107.6° sep=166.90" | pa=107.6° sep=166.90" | pa=114.9° sep=249.86" | pa=129.3° sep=273.57" | pa=102.8° sep=298.51" | pa=139.6° sep=84.38" | |||
G | pa=209.2° sep=155.65" | pa=209.2° sep=155.65" | pa=182.5° sep=190.69" | pa=185.1° sep=259.89" | pa=159.7° sep=161.88" | pa=230.3° sep=234.42" | pa=250.0° sep=250.07" | ||
H | pa=286.9° sep=210.92" | pa=286.9° sep=210.92" | pa=272.9° sep=134.36" | pa=247.6° sep=161.46" | pa=303.0° sep=83.31" | pa=278.8° sep=309.90" | pa=287.2° sep=377.82" | pa=327.4° sep=234.01" | |
I | pa=256.0° sep=173.78" | pa=256.0° sep=173.78" | pa=226.2° sep=139.80" | pa=215.1° sep=201.72" | pa=212.3° sep=68.65" | pa=258.4° sep=278.72" | pa=271.5° sep=327.82" | pa=315.3° sep=131.92" | pa=162.2° sep=108.60" |
Name | HD 23873 | Coord arcsec 2000 | 034921.74+242251.8 | Mag | 6.58 | Spectral class | B9.5V (blue-white) | ||||
PmRA | 17.00 | PmDE | -45.0 | SAO | 76236 | HIP | 17862 | ||||
Tycho2 | 1804-02047-1 | HD | 23873 | GC | 4591 | BD | BD+23 561 |
Tycho2 | 1804-02047-1 | Pflag | RAmdeg | 57.34062245 | DEmdeg | 24.38095587 | |||||
PmRA | 18.2 | PmDE | -44.8 | E RAmdeg | 4 | E DEmdeg | 4 | ||||
E pmRA | 0.9 | E pmDE | 0.8 | EpRAm | 1991.36 | EpDEm | 1991.21 | ||||
Num | 19 | Q RAmdeg | 0.8 | Q DEmdeg | 1.0 | Q pmRA | 0.7 | ||||
Q pmDE | 1.0 | BTmag | 6.561 | E BTmag | 0.015 | VTmag | 6.582 | ||||
E VTmag | 0.010 | Prox | 869 | TYC | T | HIP | 17862 | ||||
CCDM | RAdeg | 57.34057639 | DEdeg | 24.38106111 | EpRA 1990 | 1.68 | |||||
EpDE 1990 | 1.53 | E RAdeg | 3.9 | E DEdeg | 4.4 | Posflg | |||||
Corr | -0.2 |
SAO | 76236 | DelFlag | RA1950 | PmRA1950 | 0.0011 | ||||||
DE1950 | PmDE1950 | -0.054 | Vmag | 6.6 | SpType | B9 | |||||
Double code | Source | 70 | CatNum | 4591 | DM | BD+23 561 | |||||
DMcomp | BDsup | HD | 23873 | M HD | 0 | ||||||
GC | 4591 | RA1950rad | 0.98775418 | DE1950rad | 0.42288786 | PmRA2000 | 0.001 | ||||
PmDE2000 | -0.057 |
Catalog | H | HIP | 17862 | Proxy | RAhms | 03 49 21.74 | |||||
DEdms | +24 22 51.8 | Vmag | 6.62 | VarFlag | R Vmag | H | |||||
RAdeg | 57.3406 | DEdeg | 24.3811 | AstroRef | Plx | 8.02 | |||||
CCDM | 03493+2423 | N CCDM | I | Nsys | 1 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 23873 | BD | BD+23 561 | ||||||
CD | CP | Dm number | +23 561 | VIred | -0.02 | ||||||
SpType | B9.5V | R SpType | Coord arcsec 2000 | 034921.74+242251.8 |
HIP | 17862 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 1.0007818348 | DErad | 0.4255298416 | Plx | 8.18 | PmRA | 17.42 | ||||
PmDE | -45.38 | E RArad | 0.51 | E DErad | 0.34 | E Plx | 0.59 | ||||
E pmRA | 0.65 | E pmDE | 0.52 | Hpmag | 6.6115 | E Hpmag | 0.0012 | ||||
SHp | 0.007 | VA | 0 | BV | -0.027 | E BV | 0.004 | ||||
VI | -0.02 |
Coord arcsec 2000 | 034921.74+242251.8 | Mag | 7.4 | Calc delta mag | 0.1 | Calc coord | yes |
Coord arcsec 2000 | 034916.79+242346.4 | Coord calc | 034916.79+242346.4 | Mag | 7.53 | Spectral class | A2V (white) | ||||
PmRA | 19.00 | PmDE | -46.0 | SAO | 76234 | Tycho2 | 1804-00265-1 | ||||
HD | 23872 | DM | BD+23 560 | Calc delta mag | 0.23 |
Tycho2 | 1804-00265-1 | Pflag | RAmdeg | 57.32001328 | DEmdeg | 24.39613195 | |||||
PmRA | 19.3 | PmDE | -43.7 | E RAmdeg | 5 | E DEmdeg | 5 | ||||
E pmRA | 1.1 | E pmDE | 1.1 | EpRAm | 1991.21 | EpDEm | 1991.08 | ||||
Num | 10 | Q RAmdeg | 0.8 | Q DEmdeg | 0.6 | Q pmRA | 0.8 | ||||
Q pmDE | 0.5 | BTmag | 7.647 | E BTmag | 0.015 | VTmag | 7.527 | ||||
E VTmag | 0.012 | Prox | 869 | TYC | T | HIP | |||||
CCDM | RAdeg | 57.31996361 | DEdeg | 24.39623528 | EpRA 1990 | 1.58 | |||||
EpDE 1990 | 1.49 | E RAdeg | 5.0 | E DEdeg | 5.4 | Posflg | |||||
Corr | -0.3 |
SAO | 76234 | DelFlag | RA1950 | PmRA1950 | 0.0016 | ||||||
DE1950 | PmDE1950 | -0.039 | Vmag | 8.3 | SpType | A0 | |||||
Double code | Source | 35 | CatNum | 1201 | DM | BD+23 560 | |||||
DMcomp | BDsup | HD | 23872 | M HD | 0 | ||||||
GC | RA1950rad | 0.98739618 | DE1950rad | 0.42315458 | PmRA2000 | 0.0015 | |||||
PmDE2000 | -0.042 |
Coord arcsec 2000 | 034917.89+242454.7 | Mag | 11.87 | PmRA | 1.00 | PmDE | -12.0 | ||||
Calc delta mag | 4.57 | Calc coord | yes |
Coord arcsec 2000 | 034912.08+242307.7 | Mag | 12.05 | PmRA | 28.00 | PmDE | -20.0 | ||||
Calc delta mag | 4.75 | Calc coord | yes |
Coord arcsec 2000 | 034929.38+242305.7 | Mag | 13.83 | PmRA | 2.00 | PmDE | 4.0 | ||||
Calc delta mag | 6.53 | Calc coord | yes |
Coord arcsec 2000 | 034933.38+242201.4 | Mag | 14.57 | PmRA | 8.00 | PmDE | -2.0 | ||||
Calc delta mag | 7.27 | Calc coord | yes |
Coord arcsec 2000 | 034916.19+242035.9 | Mag | 15.09 | PmRA | -2.00 | PmDE | -2.0 | ||||
Calc delta mag | 7.79 | Calc coord | yes |
Coord arcsec 2000 | 034906.97+242353.1 | Mag | 13.1 | PmRA | -5.00 | PmDE | -6.0 | ||||
Calc delta mag | 5.8 | Calc coord | yes |
Coord arcsec 2000 | 034909.40+242209.7 | Mag | 14.53 | PmRA | -3.00 | PmDE | 0.0 | ||||
Calc delta mag | 7.23 | Calc coord | yes |