21467-0010 BNG 2
21h 46m 40.46s -00° 10' 24.1" P.A. 251.00 sep 31.6 mag 7.49,18.85 Sp M4+T8.5
Coord 2000 |
21467-0010 |
|
Discov num |
BNG 2 |
|
Comp |
|
|
Coord arcsec 2000 |
21 46 40.46 -00 10 24.1 |
|
Date first |
2007 |
|
Date last |
2009 |
|
Obs |
3 |
|
Pa first |
253 |
|
Pa last |
250.5 |
|
P.A. Now (θ) |
250.5° |
|
Sep first |
32.2 |
|
Sep last |
31.64 |
|
Sep. Now (ρ) |
31.64" |
|
Mag pri |
7.49 |
|
Mag sec |
18.85 |
|
delta mag (ΔM) |
11.36 |
|
Spectral class |
M4+T8.5 (red/brown dwarf) |
|
Pri motion ra |
+765 |
|
Sec motion ra |
|
|
Pri motion dec |
-497 |
|
Sec motion dec |
|
|
Notes |
N
V
K
(See Notes, Proper motion indicates physical, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
OTHER CATALOGS AND DESIGNATIONS