Coord 2000 | 23573-1259 | Discov num | LDS 830 | Comp | AB | Coord arcsec 2000 | 23 57 20.56 -12 58 48.7 | ||||
Date first | 1960 | Date last | 2016 | Obs | 10 | ||||||
Pa first | 294 | Pa last | 294.8 | P.A. Now (θ) | 294.8° | ||||||
Sep first | 20.0 | Sep last | 19.72 | Sep. Now (ρ) | 19.72" | ||||||
Mag pri | 13.02 | Mag sec | 13.00 | delta mag (ΔM) | 0.02 | Spectral class | M4V+M3V (red/red) | ||||
Pri motion ra | +211 | Sec motion ra | +208 | ||||||||
Pri motion dec | +015 | Sec motion dec | +025 | ||||||||
Notes | N T (See Notes, Parallax indicates physical) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 23 57 21 -12 58 49 | BWL 67 Aa,Ab | 2018 | 12 | 343 | 0.8 | 7.90 | 11.00 | 3.10 | ||||
Show | 23 57 21 -12 58 49 | LDS 830 AB | 2016 | 10 | 295 | 19.7 | 13.02 | 13.00 | 0.02 | <=== |
Constellation | Cetus | Gaia DR2 | 2421080250237097344 |
discov_num | notes | refcode |
LDS 830 | NLTT 58528/58527 | Chm2004 |
refcode | metd | author | reference |
Chm2004 | E - | Chaname, J. & Gould, A. | 2004ApJ...601..289C |
Chm2004 | ApJ 601, 289, 2004 | ||
Chm2004 | (Photometry, coordinates, and astrometry from rNLTT. Astrometry from early | ||
Chm2004 | versions of 2MASS and UCAC, with date given only as "circa 2000". Measures | ||
Chm2004 | identical to discovery observations - predominantly close pairs - were assumed | ||
Chm2004 | not new observations, so not included in WDS. Similar concerns when primary and | ||
Chm2004 | secondary magnitudes or proper motions were the same.) |
idgroup | discov | author |
1 | BWL | Bowler, B.P., Liu, M.C., Shkolnik, E.L., Dupuy, T.J., Cieza, L.A., Kraus, A.L., & |
1 | BWL | Tamura, M. |
10 | BWL | Bowler, B.P., Shkolnik, E.L., Liu, M.C., Schlieder, J.E., Mann, A.W., Dupuy, T.J., |
10 | BWL | Hinkley, S., Crepp, J., Johnson, J., Howard, A., Flagg, L., Weinberger, A., et al. |
11 | BWL | Bowler, B.P., Dupuy, T.J., Endl, M., Cochran, W.D., MacQueen, P.J., Fulton, B.J., |
11 | BWL | Petigura, E.A., Howard, A.W., Hirsch, L., Kratter, K.M., Crepp, J.R., Biller, B.A., |
11 | BWL | Johnson, M.C. & Wittenmyer, R.A. |
13 | LDS | Luyten p.m. catalog (from additional DD list) |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
23573-1259 | LDS 830 | AB | 2012 | 6 | 294 | 19.7 | 13.02 | 13.00 | M3V+M4V | N | 235720.56-125848.7 |
23573-1259 | LDS 830 | AB | 2015 | 8 | 295 | 19.7 | 13.02 | 13.00 | M3V+M4V | N | 235720.56-125848.7 |
23573-1259 | LDS 830 | AB | 2016 | 10 | 295 | 19.7 | 13.02 | 13.00 | M3V+M4V | N | 235720.56-125848.7 |
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 | |
Ab | pa=343.0° sep=0.75" | |
B | pa=295.4° sep=19.31" | pa=293.7° sep=18.81" |
Coord arcsec 2000 | 235720.56-125848.7 | Mag | 13.02 | Spectral class | M4V (red) | PmRA | 211.00 | ||||
PmDE | 15.0 |
Coord arcsec 2000 | 235720.54-125848.0 | Mag | 11 | Spectral class | M8 (red) | Calc delta mag | 3.1 | ||||
Calc coord | yes |
Coord arcsec 2000 | 235719.37-125840.4 | Mag | 13 | Spectral class | M3V (red) | PmRA | 208.00 | ||||
PmDE | 25.0 | Calc delta mag | 5.1 | Calc coord | yes |