21148+3803 LEP 100 AI
21h 14m 47.49s +38° 02' 43.1" P.A. 77.00 sep 534.5 mag 3.83,16.02 Sp F3V dist. 20.34 pc (66.35 l.y.)
Coord 2000 |
21148+3803 |
|
Discov num |
LEP 100 |
|
Comp |
AI |
|
Coord arcsec 2000 |
21 14 47.49 +38 02 43.1 |
|
Date first |
1998 |
|
Date last |
2002 |
|
Obs |
2 |
|
Pa first |
77 |
|
Pa last |
77.3 |
|
P.A. Now (θ) |
77.3° |
|
Sep first |
534.1 |
|
Sep last |
534.495 |
|
Sep. Now (ρ) |
534.495" |
|
Mag pri |
3.83 |
|
Mag sec |
16.02 |
|
delta mag (ΔM) |
12.19 |
|
Spectral class |
F3V (yellow-white) |
|
Pri motion ra |
+196 |
|
Sec motion ra |
+216 |
|
Pri motion dec |
+410 |
|
Sec motion dec |
+453 |
|
Notes |
N
(See Notes) |
|
rPM=0.094 (< 0.3, Physical double)
This double is physical.
21148+3803 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
Tau Cyg |
71121 |
21 14 47 +38 02 43 |
AGC 13 AB |
2017 |
358 |
190 |
1.1 |
3.83 |
6.57 |
2.74 |
Y |
|
Show |
|
71121 |
21 14 47 +38 02 43 |
AGC 13 AC |
2012 |
11 |
211 |
73.0 |
3.83 |
12.20 |
8.37 |
|
|
Show |
|
71121 |
21 14 47 +38 02 43 |
AGC 13 AB,D |
2004 |
15 |
208 |
205.4 |
3.83 |
9.94 |
6.11 |
|
|
Show |
|
71121 |
21 14 47 +38 02 43 |
AGC 13 AE |
2012 |
6 |
257 |
86.9 |
3.83 |
12.40 |
8.57 |
|
|
Show |
|
71121 |
21 14 47 +38 02 43 |
AGC 13 AF |
2012 |
37 |
184 |
89.5 |
3.83 |
11.95 |
8.12 |
|
|
Show |
|
71121 |
21 14 47 +38 02 43 |
DAL 38 AG |
2007 |
4 |
109 |
120.9 |
3.83 |
12.50 |
8.67 |
|
|
Show |
|
71121 |
21 14 47 +38 02 43 |
LEP 100 AI |
2002 |
2 |
77 |
534.5 |
3.83 |
16.02 |
12.19 |
|
<=== |
Show |
|
71121 |
21 14 47 +38 02 43 |
FYM 110 AJ |
2012 |
3 |
127 |
49.7 |
3.83 |
14.00 |
10.17 |
|
|
Show |
|
71121 |
21 14 47 +38 02 43 |
FYM 110 AK |
2012 |
3 |
316 |
99.0 |
3.83 |
14.40 |
10.57 |
|
|
Show |
|
71121 |
21 14 47 +38 02 43 |
FYM 110 AL |
2012 |
2 |
290 |
32.8 |
3.83 |
14.90 |
11.07 |
|
|
Show |
|
|
21 14 57 +38 02 09 |
DAL 38 GH |
2015 |
7 |
108 |
8.6 |
12.50 |
13.20 |
0.70 |
|
|
Show |
|
|
21 14 47 +38 01 14 |
JOD 20 Fa,Fb |
2018 |
4 |
349 |
0.9 |
12.20 |
13.80 |
1.60 |
|
|
13-fold system
13 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
SAO |
71121 |
|
HIP |
104887 |
|
Tycho2 |
3169-03876-1 |
|
HD |
202444 |
|
HR |
8130 |
|
GC |
29723 |
|
ADS |
14787 |
|
GL |
Gl 822.1A |
|
BD |
BD+37 4240 |
|
Bayer |
Tau Cygni |
|
Bayer name |
Tau Cyg |
|
Flamsteed |
65 Cygni |
|
Flamsteed name |
65 Cyg |
|
Distance |
20.34 |
|
Distance ly |
66.35 |
|
Bayer greek |
τ Cyg |
|