21397+1423 LDS 4901
21h 39m 42.27s +14° 23' 06.9" P.A. 319.00 sep 18.4 mag 16.50,17.71 Sp M5+M6
Coord 2000 |
21397+1423 |
|
Discov num |
LDS4901 |
|
Comp |
|
|
Coord arcsec 2000 |
21 39 42.27 +14 23 06.9 |
|
Date first |
1960 |
|
Date last |
2016 |
|
Obs |
10 |
|
Pa first |
320 |
|
Pa last |
319.3 |
|
P.A. Now (θ) |
319.3° |
|
Sep first |
18.0 |
|
Sep last |
18.409 |
|
Sep. Now (ρ) |
18.409" |
|
Mag pri |
16.50 |
|
Mag sec |
17.71 |
|
delta mag (ΔM) |
1.21 |
|
Spectral class |
M5+M6 (red/red) |
|
Pri motion ra |
-018 |
|
Sec motion ra |
-016 |
|
Pri motion dec |
-104 |
|
Sec motion dec |
-108 |
|
Notes |
V
(Proper motion indicates physical) |
|
rPM=0.041 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Pegasus |
|
Gaia DR2 |
1770613878528681344 |
|