19046+2320 STF 2445 AB (HD 177648)
19h 04m 38.50s +23° 19' 45.5" P.A. 262.00 sep 12.4 mag 7.25,8.57 Sp B2Ve dist. 476.19 pc (1553.33 l.y.)
Coord 2000 |
19046+2320 |
|
Discov num |
STF2445 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 04 38.50 +23 19 45.5 |
|
Date first |
1830 |
|
Date last |
2020 |
|
Obs |
66 |
|
Pa first |
261 |
|
Pa last |
262.4 |
|
P.A. Now (θ) |
262.4° |
|
Sep first |
15.0 |
|
Sep last |
12.41 |
|
Sep. Now (ρ) |
12.41" |
|
Mag pri |
7.25 |
|
Mag sec |
8.57 |
|
delta mag (ΔM) |
1.32 |
|
Spectral class |
B2Ve (blue-white) |
|
Pri motion ra |
+002 |
|
Sec motion ra |
+004 |
|
Pri motion dec |
-005 |
|
Sec motion dec |
-005 |
|
Notes |
Z
(Parallax indicates components are physical) |
|
rPM=0.312
This double is physical.
19046+2320 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 177648 |
86774 |
19 04 38 +23 19 46 |
STF 2445 AB |
2020 |
66 |
262 |
12.4 |
7.25 |
8.57 |
1.32 |
|
<=== |
Show |
|
86774 |
19 04 38 +23 19 46 |
STF 2445 AC |
2015 |
23 |
108 |
143.8 |
7.25 |
8.46 |
1.21 |
|
|
Show |
|
86774 |
19 04 38 +23 19 46 |
SLE 1030 AD |
2015 |
10 |
117 |
55.9 |
7.25 |
11.19 |
3.94 |
|
|
Show |
|
86779 |
19 04 38 +23 19 44 |
STF 2445 BC |
2015 |
20 |
106 |
155.1 |
8.57 |
8.46 |
0.11 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 177648 |
|
Constellation |
Vulpecula |
|
SAO |
86774 |
|
HIP |
93680 |
|
Tycho2 |
2122-00635-1 |
|
Gaia DR2 |
4521438177054351104 |
|
HD |
177648 |
|
GC |
26242 |
|
BD |
BD+23 3549 |
|
Distance |
476.19 |
|
Distance ly |
1553.33 |
|