Coord 2000 | 16269-2421 | Discov num | DCH 73 | Comp | BD | Coord arcsec 2000 | 16 26 55.27 -24 20 30.3 | ||||
Date first | 2001 | Date last | 2001 | Obs | 1 | ||||||
Pa first | 187 | Pa last | 186.8 | P.A. Now (θ) | 186.8° | ||||||
Sep first | 8.0 | Sep last | 7.97 | Sep. Now (ρ) | 7.97" | ||||||
Mag pri | 9.79 | Mag sec | 16.18 | delta mag (ΔM) | 6.39 | Spectral class | |||||
Pri motion ra | Sec motion ra | ||||||||||
Pri motion dec | Sec motion dec | ||||||||||
Notes | N K (See Notes, K-band or other infrared magnitudes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 16 26 51 -24 20 50 | DCH 72 Aa,Ab | 2001 | 1 | 207 | 1.0 | 10.30 | 13.00 | 2.70 | ||||
Show | 16 26 51 -24 20 50 | YLW 1 AB | 1999 | 3 | 69 | 63.3 | 10.21 | 9.79 | 0.42 | ||||
Show | 16 26 51 -24 20 50 | YLW 1 AC | 1999 | 4 | 111 | 108.4 | 10.21 | 11.46 | 1.25 | ||||
Show | 16 26 55 -24 20 30 | DCH 73 BD | 2001 | 1 | 187 | 8.0 | 9.79 | 16.18 | 6.39 | <=== | |||
Show | 16 26 58 -24 21 30 | DCH 75 CE | 2001 | 1 | 78 | 7.3 | 11.46 | 19.26 | 7.80 |
Constellation | Ophiuchus |
discov_num | notes | refcode |
YLW 1 | IR sources in rho Oph cloud. A component = GY 143, | |
B = GY 157 = VSSG 7, C = GY 171. | ||
DCH 73 | BD: Originally 16269-2420 DCH 73, but primary found to be B component | |
of 16269-2421 YLW 1AB. | ||
DCH 75 | CE: Originally 16270-2422 DCH 75, but primary found to be C component | |
of 16269-2421 YLW 1AC. |
refcode | metd | author | reference |
Dch1999a | A - | Duchene, G., Bouvier, J. & Simon, T | 1999A&A...343..831D |
Dch1999a | +S | A&A 343, 831, 1999 | |
Dch1999b | Xs - | Duchene, G., Monin, J.-L., Bouvier, J., & Menard, F. | 1999A&A...351..954D |
Dch1999b | +Pa | A&A 351, 954, 1999 (see also A&A 330, 310, 1998) | 1998A&A...330..310D |
Dch2001 | A - | Duchene, G., Simon, T., Eisloffel, J., & Bouvier, J. | 2001A&A...379..147D |
Dch2001 | A&A 379, 147, 2001 | ||
Dch2002 | A j | Duchene, G. Ghez, A.M. & McCabe, C. | 2002ApJ...568..771D |
Dch2002 | +S | ApJ 568, 771, 2002 | |
Dch2003 | S+ j | Duchene, G., Ghez, A.M., McCabe, C., & Weinberger, A.J. | 2003ApJ...592..288D |
Dch2003 | +A | ApJ 592, 288, 2003 | |
Dch2003 | +orb | ||
Dch2003b | Kd - | Duchene, G, Menard, F., Stapelfeldt, K., & Duvert, G. | 2003A&A...400..559D |
Dch2003b | A&A 400, 559, 2003 | ||
Dch2004 | Ci j | Duchene, G., Bouvier, J., Bontemps, S., Andre, P. & Motte, F. | 2004A&A...427..651D |
Dch2004 | A&A 427, 651, 2004 | ||
Dch2004b | A j | Duchene, G., McCabe, C., Ghez, A.M., & Macintosh, B.A. | 2004ApJ...606..969D |
Dch2004b | ApJ 606, 969, 2004 | ||
Dch2005 | A j | Duchene, G., Ghez, A.M., McCabe, C., & Ceccarelli, C. | 2005ApJ...628..832D |
Dch2005 | ApJ 628, 832, 2005 | ||
Dch2006 | orb j | Duchene, G., Beust, H., Adjali, F., Konopacky, Q.M., & Ghez, A.M. | 2006A&A...457L...9D |
Dch2006 | +Si | A&A 457, L9, 2006 | |
Dch2006 | +A | ||
Dch2007 | A j | Duchene, G., Bontemps, S., Bouvier, J., Andre, P., Djupvik, A.A., & Ghez, A.M. | 2007A&A...476..229D |
Dch2007 | A&A 476, 229, 2007 | ||
Dch2010 | A - | Duchene, G., McCabe, C., Pinte, C., Stapelfeldt, K.R., Menard, F., Duvert, G., | 2010ApJ...712..112D |
Dch2010 | +Al | Ghez, A.M., Maness, H.L., Bouy, H., Barrado y Navascues, D., Morales-Calderon, M., | |
Dch2010 | +K | Wolf, S., et al. | |
Dch2010 | +Kd | ApJ 712, 112, 2010 | |
Dch2018 | Am j | Duchene, G., Lacour, S., Moraux, E., Goodwin, S. & Bouvier, J. | 2018MNRAS.478.1825D |
Dch2018 | MNRAS 478, 1825, 2018 | ||
Dch2023 | A j | Duchene, G., Oon, J.T., De Rosa, R.J., Kantorski, P., Coy, B., Wang, J.J., Thomas, | 2023MNRAS.519..778D |
Dch2023 | S., Patience, J., Pueyo, L., Nielsen, E.L. & Konopacky, Q. | ||
Dch2023 | MNRAS 519, 778, 2023 | ||
YLW1986 | Ci - | Young, E., Lada, C., & Wilking, B. | 1986ApJ...304...45Y |
YLW1986 | ApJ 304, 45, 1986 | ||
YLW1986 | (IRAS imaging of rho Oph cloud) | ||
YLW1989 | Ci - | Wilking, B., Lada, C., & Young, E. | 1989ApJ...340..823W |
YLW1989 | ApJ 340, 823, 1989 | ||
YLW1989 | (IRAS imaging of rho Oph cloud) |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
16269-2421 | DCH 73 | BD | 2001 | 1 | 187 | 8.0 | 9.79 | 16.18 | K | 162655.27-242030.3 |
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 | |
Ab | pa=204.5° sep=1.02" | ||||
B | pa=70.4° sep=60.20" | pa=69.7° sep=60.92" | |||
C | pa=111.7° sep=107.04" | pa=111.1° sep=107.09" | pa=144.4° sep=73.44" | ||
D | pa=77.6° sep=57.19" | pa=76.8° sep=57.81" | pa=186.2° sep=7.96" | pa=319.9° sep=67.72" | |
E | pa=109.7° sep=112.59" | pa=109.2° sep=112.68" | pa=139.8° sep=76.27" | pa=77.2° sep=6.66" | pa=135.1° sep=71.02" |
Coord arcsec 2000 | 162651.12-242050.5 | Mag | 10.21 |
Coord arcsec 2000 | 162651.09-242051.4 | Mag | 13 | Calc delta mag | 2.7 | Calc coord | yes |
Coord arcsec 2000 | 162655.27-242030.3 | Coord calc | 162655.27-242030.3 | Mag | 9.79 | Calc delta mag | 0.51 |
Coord arcsec 2000 | 162658.40-242130.0 | Coord calc | 162658.40-242130.0 | Mag | 11.46 | Calc delta mag | 1.16 |
Coord arcsec 2000 | 162655.21-242038.2 | Mag | 16.18 | Calc delta mag | 5.88 | Calc coord | yes |
Coord arcsec 2000 | 162658.88-242128.5 | Mag | 19.26 | Calc delta mag | 8.96 | Calc coord | yes |