18575+2741 A 259
18h 57m 31.25s +27° 40' 53.4" P.A. 62.00 sep 2.7 mag 9.83,12.64 Sp M2
| Coord 2000 |
18575+2741 |
|
Discov num |
A 259 |
|
Comp |
|
|
Coord arcsec 2000 |
18 57 31.25 +27 40 53.4 |
|
| Date first |
1901 |
|
Date last |
2009 |
|
Obs |
10 |
|
| Pa first |
74 |
|
Pa last |
61.6 |
|
P.A. Now (θ) |
61.6° |
|
| Sep first |
2.1 |
|
Sep last |
2.734 |
|
Sep. Now (ρ) |
2.734" |
|
| Mag pri |
9.83 |
|
Mag sec |
12.64 |
|
delta mag (ΔM) |
2.81 |
|
Spectral class |
M2 (red) |
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
Tycho2 |
2117-01215-1 |
|
Gaia DR2 |
2040166949445203968 |
|
HD |
337170 |
|
