18501+3149 A 256
18h 50m 03.54s +31° 48' 48.2" P.A. 60.00 sep 2.9 mag 9.04,11.17 Sp G5
| Coord 2000 |
18501+3149 |
|
Discov num |
A 256 |
|
Comp |
|
|
Coord arcsec 2000 |
18 50 03.54 +31 48 48.2 |
|
| Date first |
1901 |
|
Date last |
2016 |
|
Obs |
15 |
|
| Pa first |
54 |
|
Pa last |
59.6 |
|
P.A. Now (θ) |
59.6° |
|
| Sep first |
2.5 |
|
Sep last |
2.853 |
|
Sep. Now (ρ) |
2.853" |
|
| Mag pri |
9.04 |
|
Mag sec |
11.17 |
|
delta mag (ΔM) |
2.13 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
+040 |
|
Sec motion ra |
|
|
| Pri motion dec |
-005 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
Tycho2 |
2638-01618-1 |
|
Gaia DR2 |
2090257989086599040 |
|