02494+3356 STF 310 (HD 17497)
02h 49m 26.68s +33° 56' 10.5" P.A. 92.00 sep 2.5 mag 7.36,10.42 Sp A2 dist. 138.7 pc (452.44 l.y.)
Coord 2000 |
02494+3356 |
|
Discov num |
STF 310 |
|
Comp |
|
|
Coord arcsec 2000 |
02 49 26.68 +33 56 10.5 |
|
Date first |
1832 |
|
Date last |
2016 |
|
Obs |
20 |
|
Pa first |
86 |
|
Pa last |
92.4 |
|
P.A. Now (θ) |
92.4° |
|
Sep first |
2.6 |
|
Sep last |
2.455 |
|
Sep. Now (ρ) |
2.455" |
|
Mag pri |
7.36 |
|
Mag sec |
10.42 |
|
delta mag (ΔM) |
3.06 |
|
Spectral class |
A2 (white) |
|
Pri motion ra |
+008 |
|
Sec motion ra |
+011 |
|
Pri motion dec |
+003 |
|
Sec motion dec |
+004 |
|
Notes |
|
|
rPM=0.27 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 17497 |
|
Constellation |
Triangulum |
|
SAO |
55911 |
|
HIP |
13175 |
|
Tycho2 |
2333-01098-1 |
|
Gaia DR2 |
139733020060280448 |
|
HD |
17497 |
|
GC |
3376 |
|
BD |
BD+33 521 |
|
Distance |
138.7 |
|
Distance ly |
452.44 |
|