18166-1247 TSN 45
18h 16m 34.85s -12° 46' 42.2" P.A. 315.00 sep 15.7 mag 17.70,15.40 Sp M2.0+M4.5
Coord 2000 |
18166-1247 |
|
Discov num |
TSN 45 |
|
Comp |
|
|
Coord arcsec 2000 |
18 16 34.85 -12 46 42.2 |
|
Date first |
1999 |
|
Date last |
2016 |
|
Obs |
8 |
|
Pa first |
315 |
|
Pa last |
314.9 |
|
P.A. Now (θ) |
314.9° |
|
Sep first |
15.7 |
|
Sep last |
15.717 |
|
Sep. Now (ρ) |
15.717" |
|
Mag pri |
17.70 |
|
Mag sec |
15.40 |
|
delta mag (ΔM) |
2.3 |
|
Spectral class |
M2.0+M4.5 (red/red) |
|
Pri motion ra |
-213 |
|
Sec motion ra |
-212 |
|
Pri motion dec |
-194 |
|
Sec motion dec |
-194 |
|
Notes |
V
B
(Proper motion indicates physical, Blue magnitudes) |
|
rPM=0.003 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Serpens |
|
Gaia DR2 |
4153476474698023936 |
|