19324+6940 STT 590 AB (Alsafi)
19h 32m 21.59s +69° 39' 40.2" P.A. 339.00 sep 492.8 mag 4.76,11.35 Sp K0V dist. 5.75 pc (18.76 l.y.)
| Coord 2000 |
19324+6940 |
|
Discov num |
STT 590 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 32 21.59 +69 39 40.2 |
|
| Date first |
1852 |
|
Date last |
1999 |
|
Obs |
7 |
|
| Pa first |
340 |
|
Pa last |
339.3 |
|
P.A. Now (θ) |
339.3° |
|
| Sep first |
223.7 |
|
Sep last |
492.79 |
|
Sep. Now (ρ) |
492.79" |
|
| Mag pri |
4.76 |
|
Mag sec |
11.35 |
|
delta mag (ΔM) |
6.59 |
|
Spectral class |
K0V (yellow-orange) |
|
| Pri motion ra |
+060 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-174 |
|
Sec motion dec |
-001 |
|
| Notes |
N
L
P
(See Notes, Linear solution, 100-year proper motion) |
|
rPM=0.997
This double is not physical.
19324+6940 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Alsafi |
18396 |
19 32 22 +69 39 40 |
STT 590 AB |
1999 |
7 |
339 |
492.8 |
4.76 |
11.35 |
6.59 |
|
<=== |
| Show |
|
18396 |
19 32 22 +69 39 40 |
WGA 1 AC |
1992 |
0 |
-1 |
11.0 |
4.76 |
|
|
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Common name |
Alsafi |
|
Var name |
NSV12176 Dra |
|
Constellation |
Draco |
|
SAO |
18396 |
|
| HIP |
96100 |
|
Tycho2 |
4448-02481-1 |
|
HD |
185144 |
|
HR |
7462 |
|
| GC |
27050 |
|
GL |
Gl 764 |
|
BD |
BD+69 1053 |
|
Bayer |
Sigma Draconis |
|
| Bayer name |
Sig Dra |
|
Flamsteed |
61 Draconis |
|
Flamsteed name |
61 Dra |
|
Distance |
5.75 |
|
| Distance ly |
18.76 |
|
Bayer greek |
σ Dra |
|
| Other names |
ATHAFI, ALSAFI |
|
| Meaning |
tripod for cooking |
|
