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| Query : 2012ApJ...748...30R |
2012ApJ...748...30R - Astrophys. J., 748, 30 (2012/March-3)
A substellar companion to the dusty Pleiades star HD 23514.
RODRIGUEZ D.R., MAROIS C., ZUCKERMAN B., MACINTOSH B. and MELIS C.
Abstract (from CDS):
With adaptive optics imaging at Keck observatory, we have discovered a substellar companion to the F6 Pleiades star HD 23514, one of the dustiest main-sequence stars known to date (LIR/L*∼ 2%). This is one of the first brown dwarfs discovered as a companion to a star in the Pleiades. The 0.06 M☉late-M secondary has a projected separation of ∼360 AU. The scarcity of substellar companions to stellar primaries in the Pleiades combined with the extremely dusty environment make this a unique system to study.
Abstract Copyright: ∼
Journal keyword(s): binaries: visual - brown dwarfs - infrared: stars - open clusters and associations: individual: Pleiades - stars: individual: HD 23514
Simbad objects: 19
| Number of rows : 19 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | BD+20 307 | SB* | 01 54 50.3440413288 | +21 18 22.461011784 | 9.57 | 9.01 | G0 | 113 | 0 | |||
| 2 | HD 15407 | PM* | 02 30 50.6559832920 | +55 32 54.256925724 | 7.43 | 6.95 | F5V | 86 | 0 | |||
| 3 | 2MASS J03451534+2517221 | Y*O | 03 45 15.3524954712 | +25 17 22.129906236 | 11.8 | 11.3 | 10.35 | G8V | 70 | 0 | ||
| 4 | Cl Melotte 22 | OpC | 03 46 38.0 | +24 10 41 | ~ | 3679 | 0 | |||||
| 5 | HD 23514B | LM* | 03 46 38.26 | +22 55 09.4 | M8 | 11 | 0 | |||||
| 6 | HD 23514 | * | 03 46 38.3922026460 | +22 55 11.199934340 | 9.95 | 9.93 | 9.43 | 8.96 | 8.84 | F5V | 157 | 0 |
| 7 | Cl Melotte 22 1348 | Y*O | 03 47 18.0605988000 | +24 23 26.763728316 | 13.92 | 12.81 | 12.43 | 11.33 | K5V+M8 | 83 | 0 | |
| 8 | V* AB Dor | TT* | 05 28 44.8712165880 | -65 26 55.199147208 | 8.259 | 7.856 | 6.999 | 6.496 | 5.993 | K0V | 1080 | 0 |
| 9 | * bet Pic | PM* | 05 47 17.0876901 | -51 03 59.441135 | 4.13 | 4.03 | 3.86 | 3.74 | 3.58 | A6V | 2087 | 1 |
| 10 | Cl* NGC 2422 PMS 1121 | * | 07 35 42.6918901416 | -14 50 42.249024672 | 13.344 | 13.262 | 12.668 | 12.335 | 11.981 | F9 | 20 | 0 |
| 11 | NGC 2422 | OpC | 07 36 35.8 | -14 30 15 | ~ | 275 | 0 | |||||
| 12 | NGC 2547 | OpC | 08 10 01.5 | -49 12 08 | ~ | 445 | 0 | |||||
| 13 | V* EF Cha | dS* | 12 07 05.5212746160 | -78 44 28.014866520 | 7.74 | 7.46 | A9III/IV | 54 | 0 | |||
| 14 | NAME Lower Centaurus Crux | As* | 12 19 | -57.1 | ~ | 565 | 1 | |||||
| 15 | HD 113766 | ** | 13 06 35.83622 | -46 02 02.0178 | F3/5V | 112 | 0 | |||||
| 16 | HD 143567 | * | 16 01 55.4547295632 | -21 58 49.398900888 | 7.27 | 7.19 | 7.87 | B9Van | 145 | 0 | ||
| 17 | RX J1609.5-2105 | Or* | 16 09 30.3075290712 | -21 04 58.943800992 | 14.21 | 12.77 | 12.25 | 10.99 | M0.0e | 103 | 0 | |
| 18 | NAME Upper Sco Association | As* | 16 12 | -23.4 | ~ | 1586 | 1 | |||||
| 19 | HD 172555 | PM* | 18 45 26.9009806435 | -64 52 16.534807985 | 4.967 | 4.767 | A7V | 321 | 0 |
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