20485+7517 LDS 1940
20h 48m 14.94s +75° 18' 36.6" P.A. 133.00 sep 10.0 mag 16.90,17.80 Sp M4+M4
Coord 2000 |
20485+7517 |
|
Discov num |
LDS1940 |
|
Comp |
|
|
Coord arcsec 2000 |
20 48 14.94 +75 18 36.6 |
|
Date first |
1962 |
|
Date last |
2016 |
|
Obs |
14 |
|
Pa first |
132 |
|
Pa last |
132.8 |
|
P.A. Now (θ) |
132.8° |
|
Sep first |
9.0 |
|
Sep last |
10.021 |
|
Sep. Now (ρ) |
10.021" |
|
Mag pri |
16.90 |
|
Mag sec |
17.80 |
|
delta mag (ΔM) |
0.9 |
|
Spectral class |
M4+M4 (red/red) |
|
Pri motion ra |
+090 |
|
Sec motion ra |
+092 |
|
Pri motion dec |
+186 |
|
Sec motion dec |
+190 |
|
Notes |
V
(Proper motion indicates physical) |
|
rPM=0.021 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cepheus |
|
Gaia DR2 |
2277920365966899840 |
|