Coord 2000 | 04254+2218 | Discov num | STF 541 | Comp | CD | Coord arcsec 2000 | 04 25 23.28 +22 14 38.0 | ||||
Date first | 1873 | Date last | 2020 | Obs | 25 | ||||||
Pa first | 325 | Pa last | 329.1 | P.A. Now (θ) | 329.1° | ||||||
Sep first | 5.0 | Sep last | 5.488 | Sep. Now (ρ) | 5.488" | ||||||
Mag pri | 10.60 | Mag sec | 10.00 | delta mag (ΔM) | 0.6 | Spectral class | |||||
Pri motion ra | -001 | Sec motion ra | -004 | ||||||||
Pri motion dec | -018 | Sec motion dec | -008 | ||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 76601 | 04 25 22 +22 17 38 | OCC 327 Aa,Ab | 1993 | 0 | -1 | 0.0 | 5.20 | 5.20 | 0.00 | |||
Show | Kap Tau | 76601 | 04 25 22 +22 17 38 | STF 541 AB | 2016 | 34 | 174 | 339.4 | 4.22 | 5.29 | 1.07 | ||
Show | 76601 | 04 25 22 +22 17 38 | STF 541 A,CD | 2013 | 6 | 176 | 177.6 | 4.22 | 10.59 | 6.37 | |||
Show | 76601 | 04 25 22 +22 17 38 | STF 541 AE | 2014 | 5 | 269 | 146.5 | 4.22 | 13.08 | 8.86 | |||
Show | 76602 | 04 25 25 +22 12 00 | STF 541 B,CD | 2014 | 6 | 350 | 163.3 | 5.29 | 9.50 | 4.21 | |||
Show | 76602 | 04 25 25 +22 12 00 | STF 541 BF | 2014 | 5 | 216 | 108.3 | 5.29 | 13.70 | 8.41 | |||
Show | 04 25 23 +22 14 38 | STF 541 CD | 2020 | 25 | 329 | 5.5 | 10.60 | 10.00 | 0.60 | <=== |
Constellation | Taurus | Gaia DR2 | 145485115142297984 |
discov_num | notes | refcode |
STF 541 | A: kap 1 Tau = 65 Tau = K Tau | |
A,CD: H 6 8. | MEv2010 | |
AB: HJL1034. | HJL1986 | |
STF 541 | 04253+2215STF 541CD and 04254+2218STFA 9AB were found to | |
STFA 9 | be the same wide pair, so designations for these two | |
multiple systems were combined, as follows: | ||
04253+2215STF 541AB --> 04254+2218STF 541CD | ||
04253+2215STF 541AB,C --> 04254+2218STF 541A,CD | ||
04253+2215STF 541AB,D --> 04254+2218STF 541B,CD | ||
04254+2218STFA 9AB --> 04254+2218STF 541AB | ||
04254+2218STFA 9Aa --> 04254+2218STF 541AE | ||
04254+2218STFA 9Bb --> 04254+2218STF 541BF | ||
A : kap 1 Tau = 65 Tau = K Tau. Occult. binary, Hyades member (vB 54) | ||
B : kap 2 Tau = 67 Tau. Delta Scuti variable, Hyades cluster member. | ||
CD : J 2722. This faint pair is between kap 1 and kap 2 Tau. | ||
Pairs STFA 9AB (rho = 339"), STFA 9Aa (rho = 141") and STFA 9Bb | ||
(rho = 107") are all far outside our detection window. | Msn1993a |
refcode | metd | author | reference |
HJL1986 | Pa - | Halbwachs, J.L. | 1986A&AS...66..131H |
HJL1986 | A&AS 66, 131, 1986 | ||
HJL1986 | (Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added | ||
HJL1986 | only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113) | ||
MEv2010 | - | MacEvoy, B. | ................... |
MEv2010 | private communication, 2010 (see http://www.handprint.com/ASTRO/index.html) | ||
Msn1993a | Sc j | Mason, B.D., McAlister, H.A., Hartkopf, W.I., & Bagnuolo, W.G. | 1993AJ....105..220M |
Msn1993a | AJ 105, 220, 1993 |
idgroup | discov | author |
1 | OCC | Taylor, G.E., O'Leary, B., van Fladern, T.C. Bartholdi, P., Owen, F., |
1 | OCC | Hubbard, W.B., Smith, B.A., Smith, S.A., Fallon, F.W. Devinney, E.J. & Oliver, J. |
6 | OCC | Dunham, D.W., Dunham, J.B., Binzel, R.P., Evans, D.S., Freuh, M., Henry, G.W., |
6 | OCC | A'Hearn, M.A., Schnurr, R., Betts, R., Haynes, H., Orcutt, R., Bowell, E., et al. |
9 | OCC | Vasundhara, R., Jayakumar, K., Velu, C., Appakutty, M., Paranjpye, A., |
9 | OCC | Kulkarni, H., Nitsure, P., Prabhunne, M. & Shah, K. |
16 | OCC | Lin, C.-L., Zhang, Z.-W., Chen, W.P., King, S.-K., Lin, H.-C., Bianco, F.B., |
16 | OCC | Lehner, M.J., Coehlo, N., Wang, J.-H., Mondal, S., Alcock, C., Axelrod, T., et al. |
17 | OCC | Herald, D., Boyle, R., Dunham, D., Hirose, T., Maley, P., Timerson, B., Farris, |
17 | OCC | T., Frappa, E., Lecacheux, J., Hayamizu, T., Kozubal, M., Nolthenius, R., et al. |
22 | OCC | Loader, B., Asada, Y., Breit, D., Bradshaw, J., Gault, D., Herald, D., Iverson, |
22 | OCC | E., Ishida, M., Karasaki, H., Kashiwagura, M., Miyashita, K., Messner, S., et al. |
25 | OCC | Loader, B. Bradshaw, J., Breit, D., Gault, D., George, T., Herald, D., Iverson, |
25 | OCC | E., Ishida, M., Karasaki, H., Kashiwagura, M., Kenmotsu, K., Lowe, D., et al. |
26 | OCC | George, T., Timerson, B., Cooke, B., Degenhardt, S., Dunham, D.W., Messner, S., |
26 | OCC | Suggs, R., Venable, R. & Warren, W.H. |
27 | OCC | George, T., Timerson, B., Beard, T., Blank, T., Dantowitz, R., Davis, J., |
27 | OCC | di Cicco, D., Dunham, D.W., Hill, M., Sliski, A. & Sumner, R. |
28 | OCC | Bulder, H., Loader, B., Herald, D., Messner, S., Ling, A., Raab, H., |
28 | OCC | Culbertson, B., Black, S., Ishida, M., Ohno, T., & Miyashita, K. |
29 | OCC | George, T., Timerson, B., Degenhardt, S., Bracken, C., Cadmus, R., Carcich, A., |
29 | OCC | Centala, J., Modic, R., & Slauson, D. |
30 | OCC | Loader, B., Asada, Y., Bradshaw, J., Breit, D., Fuertes, J., Gault, D., George,T., |
30 | OCC | Graham, P., Herald, D., Holenstein, B., Iverson, E., Ishida, M., et al. |
31 | OCC | George, T., Timerson, B., Brooks, J., Conrad, S., Dunham, J.B., Dunham, D.W., |
31 | OCC | Jones,R., Lipka, T.R., Thomas, W., Warren, W.J., Jr., Wasson, R. & Wisniewski, J. |
48 | OCC | Loader, B., Bradshaw, J., Breit, D., Edens, E., Forbes, M., Gault, D., George, T., |
48 | OCC | Haymes, T., Herald, D., Holenstein, B., Ito, T., Iverson, E., et al. |
49 | OCC | Soma, M., Hayamizu, T., Ishida, M., Owada, M., Ida, M., Aikawa, R., Hashimoto, A., |
49 | OCC | Horaguchi, T., Kitazaki, K., Uchiyama, S., Uehara, S., Yaeza, A., et al. |
50 | OCC | Loader, B., Asai, A., Bardecker, J., Bradshaw, J., Breit, D., Buettner, D., |
50 | OCC | Chad, C., Denyer, P., Edens, E., Forbes, M., Gault, D., George, T., et al. |
53 | OCC | Loader, B., Anderson, P., Asai, A., Bradshaw, J., Breit, D., Forbes, M., |
53 | OCC | Gault, D., George, T., Haymes, T., Herald, D., Ishida, M., Kerr, S., et al. |
56 | OCC | Timerson, B., George, T., Bean, J., Blank, T., Bardecker, J., Dunham, D., Dunham, |
56 | OCC | J., Gimple, B., Maley, P., Anthony, S., Wiesenborn, C., Hunt, T., Sumner, R. & |
56 | OCC | Thomas, W. |
57 | OCC | Hirose, T., Ida, M., Yamamura, H., Uchiyama, S., Hashimoto, A., Aikawa, R., |
57 | OCC | Terakubo, K., Sato, M. & Shima, K. |
58 | OCC | Loader, B., Asada, Y., Asai, A., Bardecker, J., Bourgeois, J., Bradshaw, J., Chad, |
58 | OCC | C., Ellington, C., Gault, D., Giacchini, B., Haymes, T., Herald, D., Ishida, M., |
58 | OCC | Iverson, E., Kerr, S., Manek, J., McKay, G., Messner, S., Pratt, A., Sandy, R., |
58 | OCC | Watanabe, H., Yamamura, H. & Yoshida, H. |
61 | OCC | Perello, C., Frappa, E., Janik, T., Kattentidt, B., Polak, J., Rottenborn, M. & |
61 | OCC | Selva, A. |
66 | OCC | Gault, D., Barry, T., Nosworthy, P., Hanna, W., Messner, S., Oesper, D., Dunford, |
66 | OCC | R., Trank, R., Preston, S. & Herald, D. |
71 | OCC | Frappa, E., Zeleny, P., Baruffetti, P., Bendjeddou, A., Bigi, M., Bouazara, O., |
71 | OCC | Gacem, A., Khenifer, H.M., Mokhtari, L., Nosal, P., Rayane, H., Selimi, T.E.M., |
71 | OCC | Sposetti, S. & Aissa, D.B. |
72 | OCC | Hayamizu, T., Soma, M., Watanabe, Hi., Asai, A., Watanable, Ha., Akira, A., |
72 | OCC | Ida, M., Uchiyama, S., Nagata, T., Yamamura, H., Owada, M. & Yamashita, M. |
79 | STF | Struve, F.G.W. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
04254+2218 | STF 541 | CD | 2000 | 15 | 329 | 5.4 | 9.50 | 9.80 | N D | 042523.19+221440.5 | |
04254+2218 | STF 541 | CD | 2010 | 16 | 330 | 5.3 | 10.60 | 10.00 | N D | 042523.28+221438.0 | |
04254+2218 | STF 541 | CD | 2011 | 17 | 330 | 5.3 | 10.60 | 10.00 | N D | 042523.28+221438.0 | |
04254+2218 | STF 541 | CD | 2013 | 19 | 329 | 5.5 | 10.60 | 10.00 | N | 042523.28+221438.0 | |
04254+2218 | STF 541 | CD | 2016 | 20 | 330 | 5.3 | 10.60 | 10.00 | N | 042523.28+221438.0 | |
04254+2218 | STF 541 | CD | 2020 | 24 | 329 | 5.5 | 10.60 | 10.00 | N | 042523.28+221438.0 |
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 | |
Ab | pa=0.0° sep=0.00" | |||||
B | pa=173.3° sep=340.21" | pa=173.3° sep=340.21" | ||||
C | pa=175.1° sep=180.57" | pa=175.1° sep=180.57" | pa=351.4° sep=159.82" | |||
D | pa=175.8° sep=175.67" | pa=175.8° sep=175.67" | pa=350.7° sep=164.87" | pa=331.0° sep=5.38" | ||
E | pa=268.4° sep=135.55" | pa=268.4° sep=135.55" | pa=332.3° sep=377.18" | pa=319.4° sep=231.99" | pa=319.1° sep=226.72" | |
F | pa=182.5° sep=426.50" | pa=182.5° sep=426.50" | pa=213.4° sep=105.69" | pa=187.9° sep=248.56" | pa=187.2° sep=252.89" | pa=164.5° sep=438.14" |
Var name | K Tau | Coord arcsec 2000 | 042522.16+221737.9 | Mag | 4.22 | Spectral class | A7IV/V (white) | ||||
PmRA | 105.00 | PmDE | -45.0 | SAO | 76601 | HIP | 20635 | ||||
Tycho2 | 1277-01626-1 | HD | 27934 | HR | 1387 | GC | 5350 | ||||
BD | BD+21 642 | Bayer | Kappa 1 Tauri | Bayer name | Kap1 Tau | Flamsteed | 65 Tauri | ||||
Flamsteed name | 65 Tau |
Tycho2 | 1277-01626-1 | Pflag | RAmdeg | 66.34236228 | DEmdeg | 22.29387398 | |||||
PmRA | 107.6 | PmDE | -44.4 | E RAmdeg | 3 | E DEmdeg | 4 | ||||
E pmRA | 0.7 | E pmDE | 0.7 | EpRAm | 1991.57 | EpDEm | 1990.93 | ||||
Num | 24 | Q RAmdeg | 1.3 | Q DEmdeg | 0.8 | Q pmRA | 1.1 | ||||
Q pmDE | 0.7 | BTmag | 4.380 | E BTmag | 0.014 | VTmag | 4.215 | ||||
E VTmag | 0.009 | Prox | 999 | TYC | T | HIP | 20635 | ||||
CCDM | RAdeg | 66.34209889 | DEdeg | 22.29397944 | EpRA 1990 | 1.84 | |||||
EpDE 1990 | 1.44 | E RAdeg | 3.4 | E DEdeg | 3.8 | Posflg | |||||
Corr | -0.3 |
SAO | 76601 | DelFlag | RA1950 | PmRA1950 | 0.007 | ||||||
DE1950 | PmDE1950 | -0.046 | Vmag | 4.4 | SpType | A3 | |||||
Double code | Source | 70 | CatNum | 5350 | DM | BD+21 642 | |||||
DMcomp | BDsup | HD | 27934 | M HD | 0 | ||||||
GC | 5350 | RA1950rad | 1.1448693 | DE1950rad | 0.38713314 | PmRA2000 | 0.0069 | ||||
PmDE2000 | -0.048 |
Catalog | H | HIP | 20635 | Proxy | RAhms | 04 25 22.10 | |||||
DEdms | +22 17 38.3 | Vmag | 4.21 | VarFlag | R Vmag | G | |||||
RAdeg | 66.3421 | DEdeg | 22.294 | AstroRef | Plx | 21.27 | |||||
CCDM | 04254+2215 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 27934 | BD | BD+21 642 | ||||||
CD | CP | Dm number | +21 642 | VIred | 0.16 | ||||||
SpType | A7IV-V | R SpType | Coord arcsec 2000 | 042522.10+221738.3 |
HIP | 20635 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 1.1578876989 | DErad | 0.389103372 | Plx | 21.19 | PmRA | 105.1 | ||||
PmDE | -45.04 | E RArad | 0.2 | E DErad | 0.13 | E Plx | 0.21 | ||||
E pmRA | 0.28 | E pmDE | 0.19 | Hpmag | 4.2573 | E Hpmag | 0.0008 | ||||
SHp | 0.006 | VA | 0 | BV | 0.136 | E BV | 0.004 | ||||
VI | 0.16 |
Coord arcsec 2000 | 042522.16+221737.9 | Mag | 5.2 | Spectral class | V | Calc coord | yes |
Coord arcsec 2000 | 042525.01+221200.0 | Coord calc | 042525.01+221200.0 | Mag | 5.29 | Spectral class | A7V (white) | ||||
PmRA | 114.00 | PmDE | -46.0 | SAO | 76602 | HIP | 20641 | ||||
Tycho2 | 1277-01627-1 | HD | 27946 | HR | 1388 | GC | 5351 | ||||
BD | BD+21 643 | Bayer | Kappa 2 Tauri | Bayer name | Kap2 Tau | Flamsteed | 67 Tauri | ||||
Flamsteed name | 67 Tau | Calc delta mag | 0.09 |
Tycho2 | 1277-01627-1 | Pflag | RAmdeg | 66.35423433 | DEmdeg | 22.20000213 | |||||
PmRA | 113.6 | PmDE | -45.6 | E RAmdeg | 4 | E DEmdeg | 4 | ||||
E pmRA | 0.7 | E pmDE | 0.7 | EpRAm | 1991.34 | EpDEm | 1990.94 | ||||
Num | 23 | Q RAmdeg | 0.8 | Q DEmdeg | 0.8 | Q pmRA | 0.9 | ||||
Q pmDE | 0.7 | BTmag | 5.560 | E BTmag | 0.014 | VTmag | 5.294 | ||||
E VTmag | 0.009 | Prox | 999 | TYC | T | HIP | 20641 | ||||
CCDM | RAdeg | 66.35395528 | DEdeg | 22.20011056 | EpRA 1990 | 1.82 | |||||
EpDE 1990 | 1.44 | E RAdeg | 3.5 | E DEdeg | 4.0 | Posflg | |||||
Corr | -0.2 |
SAO | 76602 | DelFlag | RA1950 | PmRA1950 | 0.0079 | ||||||
DE1950 | PmDE1950 | -0.052 | Vmag | 5.4 | SpType | F0 | |||||
Double code | Source | 70 | CatNum | 5351 | DM | BD+21 643 | |||||
DMcomp | BDsup | HD | 27946 | M HD | 0 | ||||||
GC | 5351 | RA1950rad | 1.14508375 | DE1950rad | 0.38549472 | PmRA2000 | 0.0078 | ||||
PmDE2000 | -0.054 |
Catalog | H | HIP | 20641 | Proxy | RAhms | 04 25 24.94 | |||||
DEdms | +22 12 00.4 | Vmag | 5.27 | VarFlag | R Vmag | H | |||||
RAdeg | 66.3539 | DEdeg | 22.2001 | AstroRef | Plx | 22.65 | |||||
CCDM | 04254+2215 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 27946 | BD | BD+21 643 | ||||||
CD | CP | Dm number | +21 643 | VIred | 0.28 | ||||||
SpType | A7V | R SpType | Coord arcsec 2000 | 042524.94+221200.4 |
HIP | 20641 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 1.1580946544 | DErad | 0.3874650578 | Plx | 22.03 | PmRA | 111.97 | ||||
PmDE | -47.71 | E RArad | 0.32 | E DErad | 0.21 | E Plx | 0.35 | ||||
E pmRA | 0.46 | E pmDE | 0.34 | Hpmag | 5.3388 | E Hpmag | 0.0008 | ||||
SHp | 0.005 | VA | 0 | BV | 0.25 | E BV | 0.01 | ||||
VI | 0.28 |
Coord arcsec 2000 | 042523.28+221438.0 | Mag | 10.6 | PmRA | -1.00 | PmDE | -18.0 | ||||
Calc delta mag | 5.4 |
Coord arcsec 2000 | 042523.09+221442.7 | Mag | 10 | PmRA | -4.00 | PmDE | -8.0 | ||||
Calc delta mag | 4.8 | Calc coord | yes |
Coord arcsec 2000 | 042512.40+221734.1 | Mag | 13.08 | PmRA | -5.00 | PmDE | 10.0 | ||||
Calc delta mag | 7.88 | Calc coord | yes |
Coord arcsec 2000 | 042520.82+221031.8 | Mag | 13.7 | PmRA | 9.00 | PmDE | 1.0 | ||||
Calc delta mag | 8.5 | Calc coord | yes |