19490+1909 STF 2585 AB,C (Zet Sge)
19h 48m 58.65s +19° 08' 31.1" P.A. 311.00 sep 8.3 mag 5.04,9.01 Sp A1V dist. 78.19 pc (255.06 l.y.)
Coord 2000 |
19490+1909 |
|
Discov num |
STF2585 |
|
Comp |
AB,C |
|
Coord arcsec 2000 |
19 48 58.65 +19 08 31.1 |
|
Date first |
1819 |
|
Date last |
2016 |
|
Obs |
131 |
|
Pa first |
310 |
|
Pa last |
310.9 |
|
P.A. Now (θ) |
310.9° |
|
Sep first |
8.8 |
|
Sep last |
8.26 |
|
Sep. Now (ρ) |
8.26" |
|
Mag pri |
5.04 |
|
Mag sec |
9.01 |
|
delta mag (ΔM) |
3.97 |
|
Spectral class |
A1V (white) |
|
Pri motion ra |
+019 |
|
Sec motion ra |
+035 |
|
Pri motion dec |
+027 |
|
Sec motion dec |
+001 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.872
This double is physical.
19490+1909 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
105298 |
19 48 59 +19 08 31 |
AGC 11 AB |
2010 |
261 |
174 |
0.2 |
5.64 |
6.04 |
0.40 |
Y |
|
Show |
Zet Sge |
105298 |
19 48 59 +19 08 31 |
STF 2585 AB,C |
2016 |
131 |
311 |
8.3 |
5.04 |
9.01 |
3.97 |
|
<=== |
Show |
|
105298 |
19 48 59 +19 08 31 |
STF 2585 AB,D |
2005 |
10 |
246 |
76.0 |
5.04 |
11.00 |
5.96 |
|
|
Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
Zet Sge |
|
Constellation |
Sagitta |
|
SAO |
105298 |
|
HIP |
97496 |
|
Tycho2 |
1623-02647-1 |
|
HD |
187362 |
|
HR |
7546 |
|
GC |
27431 |
|
ADS |
12973 |
|
BD |
BD+18 4254 |
|
Bayer |
Zeta Sagittae |
|
Bayer name |
Zet Sge |
|
Flamsteed |
8 Sagittae |
|
Flamsteed name |
8 Sge |
|
Distance |
78.19 |
|
Distance ly |
255.06 |
|
Bayer greek |
ζ Sge |
|