15173+4731 GRV 1207
15h 17m 16.91s +47° 31' 23.6" P.A. 159.00 sep 18.9 mag 16.40,16.60 Sp M4+M4
| Coord 2000 |
15173+4731 |
|
Discov num |
GRV1207 |
|
Comp |
|
|
Coord arcsec 2000 |
15 17 16.91 +47 31 23.6 |
|
| Date first |
1999 |
|
Date last |
2016 |
|
Obs |
10 |
|
| Pa first |
158 |
|
Pa last |
158.5 |
|
P.A. Now (θ) |
158.5° |
|
| Sep first |
18.9 |
|
Sep last |
18.937 |
|
Sep. Now (ρ) |
18.937" |
|
| Mag pri |
16.40 |
|
Mag sec |
16.60 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
M4+M4 (red/red) |
|
| Pri motion ra |
-052 |
|
Sec motion ra |
-052 |
|
| Pri motion dec |
+117 |
|
Sec motion dec |
+117 |
|
| Notes |
V
R
(Proper motion indicates physical, Red magnitudes) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Bootes |
|
Gaia DR2 |
1588183562083123456 |
|
