21007+1547 SLW 1228
21h 00m 39.81s +15° 47' 11.8" P.A. 262.00 sep 14.9 mag 18.78,19.88 Sp M3.5+M4.4
| Coord 2000 |
21007+1547 |
|
Discov num |
SLW1228 |
|
Comp |
|
|
Coord arcsec 2000 |
21 00 39.81 +15 47 11.8 |
|
| Date first |
2000 |
|
Date last |
2016 |
|
Obs |
7 |
|
| Pa first |
262 |
|
Pa last |
262.1 |
|
P.A. Now (θ) |
262.1° |
|
| Sep first |
15.0 |
|
Sep last |
14.931 |
|
Sep. Now (ρ) |
14.931" |
|
| Mag pri |
18.78 |
|
Mag sec |
19.88 |
|
delta mag (ΔM) |
1.1 |
|
Spectral class |
M3.5+M4.4 (red/red) |
|
| Pri motion ra |
-021 |
|
Sec motion ra |
-020 |
|
| Pri motion dec |
-034 |
|
Sec motion dec |
-031 |
|
| Notes |
V
R
(Proper motion indicates physical, Red magnitudes) |
|
rPM=0.079 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Gaia DR2 |
1763395820915671936 |
|