15261+2128 STF 1942 (HD 137556)
15h 26m 03.11s +21° 27' 35.7" P.A. 91.00 sep 9.7 mag 9.49,10.68 Sp G5 dist. 584.8 pc (1907.62 l.y.)
Coord 2000 |
15261+2128 |
|
Discov num |
STF1942 |
|
Comp |
|
|
Coord arcsec 2000 |
15 26 03.11 +21 27 35.7 |
|
Date first |
1830 |
|
Date last |
2019 |
|
Obs |
39 |
|
Pa first |
92 |
|
Pa last |
91.4 |
|
P.A. Now (θ) |
91.4° |
|
Sep first |
9.2 |
|
Sep last |
9.749 |
|
Sep. Now (ρ) |
9.749" |
|
Mag pri |
9.49 |
|
Mag sec |
10.68 |
|
delta mag (ΔM) |
1.19 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
+001 |
|
Sec motion ra |
+002 |
|
Pri motion dec |
+011 |
|
Sec motion dec |
+009 |
|
Notes |
|
|
rPM=0.202 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 137556 |
|
Constellation |
Serpens |
|
SAO |
83816 |
|
HIP |
75548 |
|
Tycho2 |
1493-01503-1 |
|
Gaia DR2 |
1214378505178811520 |
|
HD |
137556 |
|
GC |
20748 |
|
BD |
BD+21 2770 |
|
Distance |
584.8 |
|
Distance ly |
1907.62 |
|