12289+2555 STFA 21 AB (17 Com)
12h 28m 54.72s +25° 54' 46.4" P.A. 251.00 sep 146.4 mag 5.23,6.64 Sp A0p dist. 72.89 pc (237.77 l.y.)
Coord 2000 |
12289+2555 |
|
Discov num |
STFA 21 |
|
Comp |
AB |
|
Coord arcsec 2000 |
12 28 54.72 +25 54 46.4 |
|
Date first |
1836 |
|
Date last |
2018 |
|
Obs |
49 |
|
Pa first |
251 |
|
Pa last |
251 |
|
P.A. Now (θ) |
251° |
|
Sep first |
145.3 |
|
Sep last |
146.42 |
|
Sep. Now (ρ) |
146.42" |
|
Mag pri |
5.23 |
|
Mag sec |
6.64 |
|
delta mag (ΔM) |
1.41 |
|
Spectral class |
A0p (white) |
|
Pri motion ra |
-022 |
|
Sec motion ra |
-020 |
|
Pri motion dec |
-016 |
|
Sec motion dec |
-016 |
|
Notes |
N
(See Notes) |
|
rPM=0.074 (< 0.3, Physical double)
This double is physical.
12289+2555 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
17 Com |
82330 |
12 28 55 +25 54 46 |
STFA 21 AB |
2018 |
49 |
251 |
146.4 |
5.23 |
6.64 |
1.41 |
|
<=== |
Show |
|
82330 |
12 28 55 +25 54 46 |
BU 1080 AD |
2015 |
7 |
270 |
324.0 |
5.23 |
11.63 |
6.40 |
|
|
Show |
|
82330 |
12 28 55 +25 54 46 |
SLE 898 AE |
2015 |
4 |
270 |
447.4 |
5.23 |
13.60 |
8.37 |
|
|
Show |
|
82330 |
12 28 55 +25 54 46 |
SLE 898 AF |
2015 |
4 |
145 |
125.5 |
5.23 |
13.92 |
8.69 |
|
|
Show |
|
82328 |
12 28 45 +25 53 58 |
BU 1080 BC |
2015 |
5 |
180 |
1.4 |
6.64 |
13.70 |
7.06 |
|
|
Show |
|
82328 |
12 28 45 +25 53 58 |
BU 1080 BD |
2015 |
7 |
284 |
192.9 |
6.64 |
11.63 |
4.99 |
|
|
Sextuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
17 Com |
|
Var name |
AI Com |
|
Constellation |
Coma Berenices |
|
SAO |
82330 |
|
HIP |
60904 |
|
Tycho2 |
1989-03206-1 |
|
Gaia DR2 |
3960724252307181056 |
|
HD |
108662 |
|
HR |
4752 |
|
GC |
17012 |
|
ADS |
8568 |
|
BD |
BD+26 2354 |
|
Flamsteed |
17 Comae Berenices |
|
Flamsteed name |
17 Com |
|
Distance |
72.89 |
|
Distance ly |
237.77 |
|
WDS 12289+2555 STFA 21 AB (17 Com) : NOTES
discov_num |
notes |
refcode |
STFA 21 |
AB: A is an Alpha CVn-type variable, AI Com. |
|
|
B is a spectroscopic binary. |
|
BU 1080 |
BC: Faint companion was suspected sf on both nights. |
B__1963b |
REFERENCES
refcode |
metd |
author |
reference |
B__1963b |
Ma j |
van den Bos, W.H. |
1963AJ.....68..582V |
B__1963b |
|
AJ 68, 582, 1963 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
BU |
Burnham, S.W. (BU 1 - 81) |
179 |
SLE |
Soulie, G. |
198 |
STF |
Struve, F.G.W. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
12289+2555 |
STFA 21 |
AB |
2002 |
40 |
251 |
146.2 |
5.23 |
6.64 |
A0p |
N D |
122854.72+255446.4 |
12289+2555 |
STFA 21 |
AB |
2009 |
41 |
251 |
144.2 |
5.23 |
6.64 |
A0p |
N D |
122854.72+255446.4 |
12289+2555 |
STFA 21 |
AB |
2012 |
42 |
250 |
143.5 |
5.23 |
6.64 |
A0p |
N D |
122854.72+255446.4 |
12289+2555 |
STFA 21 |
AB |
2018 |
48 |
251 |
146.4 |
5.23 |
6.64 |
A0p |
N |
122854.72+255446.4 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 12289+2555 STFA 21 AB (17 Com) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 12289+2555 STFA 21 AB (17 Com) : MEASURES
No records found.
WDS 12289+2555 (17 Com) : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
|
WDS 12289+2555 (17 Com) : ALADIN DSS IMAGE @ 12h 28m 54.72s +25° 54' 46.4"
WDS 12289+2555 STFA 21 AB (17 Com) : NEIGHBORHOODS
|
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
Show |
name |
coord_2000 |
discov# |
comp |
pa |
sep |
dist(') |
Show |
|
12289+2555 |
STFA 21 |
AB |
251 |
146.4 |
|
Show |
|
12289+2555 |
SLE 898 |
AE |
270 |
447.4 |
|
Show |
|
12289+2555 |
SLE 898 |
AF |
145 |
125.5 |
|
Show |
|
12289+2555 |
BU 1080 |
AD |
270 |
324.0 |
|
Show |
|
12289+2555 |
BU 1080 |
BC |
180 |
1.4 |
3 |
Show |
|
12289+2555 |
BU 1080 |
BD |
284 |
192.9 |
3 |
Show |
|
12279+2556 |
SDK 79 |
|
43 |
2.4 |
15 |
Show |
|
12271+2603 |
CVR1434 |
|
336 |
5.0 |
27 |
Show |
|
12309+2555 |
LAS 7 |
|
231 |
10.3 |
28 |
Show |
|
12313+2556 |
AZC 75 |
|
222 |
11.9 |
32 |
Show |
|
12268+2609 |
SLE 897 |
AB |
126 |
13.7 |
33 |
Show |
|
12268+2609 |
UC 2339 |
AC |
263 |
39.3 |
33 |
Show |
|
12266+2611 |
SLW 721 |
|
213 |
168.2 |
35 |
Show |
|
12311+2621 |
GUR 31 |
|
22 |
2.2 |
40 |
Show |
|
12264+2630 |
CVR1431 |
|
151 |
3.0 |
50 |
Show |
|
12282+2502 |
TOK 912 |
|
118 |
0.0 |
54 |
Show |
|
12311+2641 |
LDS4223 |
|
271 |
21.7 |
55 |
Show |
|
12339+2603 |
SLE 900 |
AB |
337 |
15.8 |
55 |
Show |
|
12339+2603 |
SLE 900 |
AC |
270 |
25.5 |
55 |
Show |
|
12331+2600 |
CVR1446 |
|
351 |
3.5 |
57 |
Show |
|
12251+2530 |
SLW 719 |
|
295 |
9.6 |
58 |
Show |
|
12332+2606 |
LDS3050 |
|
357 |
37.7 |
59 |
Show |
|
12268+2650 |
LDS1308 |
AB |
215 |
51.8 |
62 |
Show |
|
12261+2645 |
GUR 30 |
|
166 |
1.1 |
63 |
Show |
|
12250+2520 |
SLE 894 |
|
160 |
11.8 |
64 |
Show |
|
12243+2606 |
YSC 97 |
|
228 |
0.2 |
64 |
Show |
|
12244+2535 |
STF1639 |
AB |
324 |
1.9 |
64 |
Show |
|
12244+2535 |
STF1639 |
AC |
159 |
91.4 |
64 |
Show |
|
12271+2655 |
UC 2341 |
|
356 |
30.4 |
66 |
Show |
|
12272+2701 |
STF1643 |
AB |
3 |
2.8 |
71 |
Show |
|
12272+2701 |
LEP 54 |
AC |
261 |
221.4 |
71 |
Show |
|
12251+2647 |
LNV 9 |
|
7 |
3.5 |
74 |
Show |
|
12258+2658 |
SLE 896 |
|
144 |
19.4 |
76 |
Show |
|
12317+2701 |
STF1651 |
|
215 |
7.0 |
77 |
Show |
|
12282+2712 |
CVR1437 |
|
313 |
3.4 |
78 |
Show |
|
12347+2549 |
LAS 8 |
|
165 |
7.6 |
79 |
Show |
|
12348+2608 |
SLW 737 |
|
338 |
145.9 |
81 |
Show |
|
12254+2700 |
SLE 895 |
|
39 |
20.9 |
81 |
Show |
|
12351+2547 |
LAS 9 |
|
271 |
9.3 |
84 |
Show |
|
12225+2551 |
SMR 57 |
DE |
166 |
13.1 |
85 |
Show |
|
12315+2437 |
STF1650 |
|
178 |
16.6 |
86 |
Show |
|
12225+2551 |
SHJ 143 |
AB |
57 |
37.0 |
87 |
Show |
|
12225+2551 |
SHJ 143 |
AC |
167 |
65.2 |
87 |
Show |
|
12225+2551 |
ARN 6 |
AD |
132 |
213.9 |
87 |
Show |
|
12340+2650 |
COU 595 |
|
182 |
1.0 |
88 |
Show |
|
12341+2453 |
SDK 95 |
AB |
343 |
5.4 |
94 |
Show |
|
12341+2453 |
SKF1480 |
AC |
126 |
2.3 |
94 |
Show |
|
12339+2448 |
UC 2358 |
|
258 |
41.7 |
95 |
Show |
|
12240+2447 |
SKF1582 |
|
249 |
96.1 |
96 |
Show |
|
12241+2706 |
SKF1014 |
|
345 |
3.4 |
96 |
Show |
|
12262+2728 |
LDS1307 |
AB |
232 |
47.7 |
100 |
|
|
WDS 12289+2555 : COMPONENTS
|
A |
B |
C |
D |
E |
B |
pa=250.4°
sep=145.55"
| |
C |
pa=249.9°
sep=146.00"
| pa=179.6°
sep=1.38"
| |
D |
pa=269.6°
sep=291.43"
| pa=286.8°
sep=161.24"
| pa=287.3°
sep=161.66"
| |
E |
pa=270.2°
sep=402.44"
| pa=280.8°
sep=270.13"
| pa=281.1°
sep=270.40"
| pa=272.0°
sep=111.08"
| |
F |
pa=148.1°
sep=121.58"
| pa=105.1°
sep=208.58"
| pa=104.7°
sep=208.21"
| pa=105.8°
sep=369.78"
| pa=102.7°
sep=478.37"
|
12289+2555 A
Name |
17 Com |
|
Var name |
AI Com |
|
Coord arcsec 2000 |
122854.72+255446.4 |
|
Mag |
5.23 |
|
Spectral class |
A0p (white) |
|
PmRA |
-22.00 |
|
PmDE |
-16.0 |
|
SAO |
82330 |
|
HIP |
60904 |
|
Tycho2 |
1989-03206-1 |
|
HD |
108662 |
|
HR |
4752 |
|
GC |
17012 |
|
BD |
BD+26 2354 |
|
Flamsteed |
17 Comae Berenices |
|
Flamsteed name |
17 Com |
|
Tycho2 |
1989-03206-1 |
|
Pflag |
|
|
RAmdeg |
187.22792710 |
|
DEmdeg |
25.91284986 |
|
PmRA |
-23.5 |
|
PmDE |
-15.3 |
|
E RAmdeg |
3 |
|
E DEmdeg |
4 |
|
E pmRA |
0.8 |
|
E pmDE |
0.8 |
|
EpRAm |
1991.55 |
|
EpDEm |
1991.45 |
|
Num |
15 |
|
Q RAmdeg |
1.3 |
|
Q DEmdeg |
0.5 |
|
Q pmRA |
1.4 |
|
Q pmDE |
0.5 |
|
BTmag |
5.204 |
|
E BTmag |
0.014 |
|
VTmag |
5.231 |
|
E VTmag |
0.009 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
60904 |
|
CCDM |
|
|
RAdeg |
187.22798722 |
|
DEdeg |
25.91288444 |
|
EpRA 1990 |
1.74 |
|
EpDE 1990 |
1.82 |
|
E RAdeg |
3.4 |
|
E DEdeg |
3.5 |
|
Posflg |
|
|
Corr |
0.2 |
|
SAO |
82330 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0019 |
|
DE1950 |
|
|
PmDE1950 |
-0.024 |
|
Vmag |
5.4 |
|
SpType |
A0p |
|
Double code |
|
|
Source |
70 |
|
CatNum |
17012 |
|
DM |
BD+26 2354 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
108662 |
|
M HD |
0 |
|
GC |
17012 |
|
RA1950rad |
3.25685438 |
|
DE1950rad |
0.45709059 |
|
PmRA2000 |
-0.0019 |
|
PmDE2000 |
-0.02 |
|
Catalog |
H |
|
HIP |
60904 |
|
Proxy |
|
|
RAhms |
12 28 54.72 |
|
DEdms |
+25 54 46.4 |
|
Vmag |
5.29 |
|
VarFlag |
1 |
|
R Vmag |
G |
|
RAdeg |
187.228 |
|
DEdeg |
25.9129 |
|
AstroRef |
|
|
Plx |
12.06 |
|
CCDM |
12289+2554 |
|
N CCDM |
I |
|
Nsys |
2 |
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
108662 |
|
BD |
BD+26 2354 |
|
CD |
|
|
CP |
|
|
Dm number |
+26 2354 |
|
VIred |
-0.06 |
|
SpType |
A0p |
|
R SpType |
|
|
Coord arcsec 2000 |
122854.72+255446.4 |
|
HIP |
60904 |
|
Sn |
5 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
3.2677448931 |
|
DErad |
0.4522652176 |
|
Plx |
13.72 |
|
PmRA |
-21.94 |
|
PmDE |
-15.46 |
|
E RArad |
0.19 |
|
E DErad |
0.17 |
|
E Plx |
0.25 |
|
E pmRA |
0.27 |
|
E pmDE |
0.21 |
|
Hpmag |
5.2424 |
|
E Hpmag |
0.0018 |
|
SHp |
0.01 |
|
VA |
1 |
|
BV |
-0.056 |
|
E BV |
0.009 |
|
VI |
-0.06 |
|
12289+2555 B
Coord arcsec 2000 |
122844.56+255357.5 |
|
Coord calc |
122844.56+255357.5 |
|
Mag |
6.64 |
|
Spectral class |
Am (white) |
|
PmRA |
-22.00 |
|
PmDE |
-17.0 |
|
SAO |
82328 |
|
HIP |
60891 |
|
Tycho2 |
1989-03208-1 |
|
HD |
108651 |
|
HR |
4751 |
|
GC |
17007 |
|
BD |
BD+26 2353 |
|
Flamsteed |
17 Comae Berenices |
|
Flamsteed name |
17 Com |
|
Calc delta mag |
1.41 |
|
Tycho2 |
1989-03208-1 |
|
Pflag |
|
|
RAmdeg |
187.18568379 |
|
DEmdeg |
25.89931835 |
|
PmRA |
-21.7 |
|
PmDE |
-17.0 |
|
E RAmdeg |
4 |
|
E DEmdeg |
4 |
|
E pmRA |
1.0 |
|
E pmDE |
1.0 |
|
EpRAm |
1991.44 |
|
EpDEm |
1991.52 |
|
Num |
13 |
|
Q RAmdeg |
1.5 |
|
Q DEmdeg |
1.0 |
|
Q pmRA |
1.5 |
|
Q pmDE |
1.1 |
|
BTmag |
6.874 |
|
E BTmag |
0.015 |
|
VTmag |
6.638 |
|
E VTmag |
0.010 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
60891 |
|
CCDM |
|
|
RAdeg |
187.18573972 |
|
DEdeg |
25.89935694 |
|
EpRA 1990 |
1.68 |
|
EpDE 1990 |
1.78 |
|
E RAdeg |
4.4 |
|
E DEdeg |
4.1 |
|
Posflg |
|
|
Corr |
0.4 |
|
SAO |
82328 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0014 |
|
DE1950 |
|
|
PmDE1950 |
-0.025 |
|
Vmag |
6.7 |
|
SpType |
A3 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
17007 |
|
DM |
BD+26 2353 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
108651 |
|
M HD |
0 |
|
GC |
17007 |
|
RA1950rad |
3.25611523 |
|
DE1950rad |
0.45685571 |
|
PmRA2000 |
-0.0014 |
|
PmDE2000 |
-0.021 |
|
Catalog |
H |
|
HIP |
60891 |
|
Proxy |
|
|
RAhms |
12 28 44.58 |
|
DEdms |
+25 53 57.7 |
|
Vmag |
6.63 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
187.186 |
|
DEdeg |
25.8994 |
|
AstroRef |
|
|
Plx |
12.66 |
|
CCDM |
12289+2554 |
|
N CCDM |
I |
|
Nsys |
2 |
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
108651 |
|
BD |
BD+26 2353 |
|
CD |
|
|
CP |
|
|
Dm number |
+26 2353 |
|
VIred |
0.23 |
|
SpType |
A0p |
|
R SpType |
|
|
Coord arcsec 2000 |
122844.58+255357.7 |
|
HIP |
60891 |
|
Sn |
5 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
3.2670075341 |
|
DErad |
0.4520291367 |
|
Plx |
14.62 |
|
PmRA |
-20.28 |
|
PmDE |
-16.43 |
|
E RArad |
0.3 |
|
E DErad |
0.29 |
|
E Plx |
0.41 |
|
E pmRA |
0.42 |
|
E pmDE |
0.32 |
|
Hpmag |
6.6831 |
|
E Hpmag |
0.0008 |
|
SHp |
0.007 |
|
VA |
0 |
|
BV |
0.212 |
|
E BV |
0.026 |
|
VI |
0.23 |
|
12289+2555 C
Coord arcsec 2000 |
122844.56+255356.1 |
|
Mag |
13.7 |
|
Calc delta mag |
8.47 |
|
Calc coord |
yes |
|
12289+2555 D
Coord arcsec 2000 |
122833.12+255444.1 |
|
Mag |
11.63 |
|
PmRA |
-6.00 |
|
PmDE |
-28.0 |
|
Calc delta mag |
6.4 |
|
Calc coord |
yes |
|
12289+2555 E
Coord arcsec 2000 |
122824.89+255448.0 |
|
Mag |
13.6 |
|
PmRA |
-14.00 |
|
PmDE |
4.0 |
|
Calc delta mag |
8.37 |
|
Calc coord |
yes |
|
12289+2555 F
Coord arcsec 2000 |
122859.48+255303.2 |
|
Mag |
13.92 |
|
PmRA |
4.00 |
|
PmDE |
-11.0 |
|
Calc delta mag |
8.69 |
|
Calc coord |
yes |
|