03311+2744 STFA 7 AB (HD 21700)
03h 31m 03.47s +27° 43' 53.6" P.A. 234.00 sep 44.1 mag 7.41,7.81 Sp B9 dist. 120.05 pc (391.6 l.y.)
Coord 2000 |
03311+2744 |
|
Discov num |
STFA 7 |
|
Comp |
AB |
|
Coord arcsec 2000 |
03 31 03.47 +27 43 53.6 |
|
Date first |
1836 |
|
Date last |
2021 |
|
Obs |
58 |
|
Pa first |
233 |
|
Pa last |
234.2 |
|
P.A. Now (θ) |
234.2° |
|
Sep first |
44.0 |
|
Sep last |
44.14 |
|
Sep. Now (ρ) |
44.14" |
|
Mag pri |
7.41 |
|
Mag sec |
7.81 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
B9 (blue-white) |
|
Pri motion ra |
+029 |
|
Sec motion ra |
+029 |
|
Pri motion dec |
-028 |
|
Sec motion dec |
-028 |
|
Notes |
N
Z
V
(See Notes, Parallax indicates components are physical, Proper motion indicates physical) |
|
This double is physical.
03311+2744 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 21700 |
75964 |
03 31 03 +27 43 54 |
STFA 7 AB |
2021 |
58 |
234 |
44.1 |
7.41 |
7.81 |
0.40 |
|
<=== |
Show |
|
75962 |
03 31 01 +27 43 27 |
SMR 60 BC |
2021 |
10 |
0 |
12.3 |
7.81 |
13.00 |
5.19 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 21700 |
|
Constellation |
Taurus |
|
SAO |
75964 |
|
HIP |
16386 |
|
Tycho2 |
1806-00170-1 |
|
Gaia DR2 |
117931010151859840 |
|
HD |
21700 |
|
GC |
4181 |
|
BD |
BD+27 514 |
|
Distance |
120.05 |
|
Distance ly |
391.6 |
|
WDS 03311+2744 STFA 7 AB (HD 21700) : NOTES
discov_num |
notes |
refcode |
STFA 7 |
STTA 34. B is BD+27@513. |
|
|
HJL 49. |
HJL1986 |
REFERENCES
refcode |
metd |
author |
reference |
HJL1986 |
Pa - |
Halbwachs, J.L. |
1986A&AS...66..131H |
HJL1986 |
|
A&AS 66, 131, 1986 |
|
HJL1986 |
|
(Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added |
|
HJL1986 |
|
only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113) |
|
DISCOVERER
idgroup |
discov |
author |
1 |
SMR |
Schlimmer, J. |
56 |
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 |
03311+2744 |
STFA 7 |
AB |
2013 |
49 |
233 |
44.1 |
7.41 |
7.81 |
B9 |
NZDV |
033103.47+274353.6 |
03311+2744 |
STFA 7 |
AB |
2014 |
50 |
234 |
44.0 |
7.41 |
7.81 |
B9 |
NZDV |
033103.47+274353.6 |
03311+2744 |
STFA 7 |
AB |
2015 |
51 |
234 |
44.0 |
7.41 |
7.81 |
B9 |
NZ V |
033103.47+274353.6 |
03311+2744 |
STFA 7 |
AB |
2016 |
52 |
234 |
44.1 |
7.41 |
7.81 |
B9 |
NZ V |
033103.47+274353.6 |
03311+2744 |
STFA 7 |
AB |
2017 |
53 |
234 |
44.1 |
7.41 |
7.81 |
B9 |
NZ V |
033103.47+274353.6 |
03311+2744 |
STFA 7 |
AB |
2021 |
58 |
234 |
44.1 |
7.41 |
7.81 |
B9 |
NZ V |
033103.47+274353.6 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 03311+2744 STFA 7 AB (HD 21700) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 03311+2744 STFA 7 AB (HD 21700) : MEASURES
No records found.
WDS 03311+2744 (HD 21700) : 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 03311+2744 (HD 21700) : ALADIN DSS IMAGE @ 03h 31m 03.47s +27° 43' 53.6"
WDS 03311+2744 STFA 7 AB (HD 21700) : 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 |
|
03311+2744 |
STFA 7 |
AB |
234 |
44.1 |
|
Show |
|
03311+2744 |
SMR 60 |
BC |
|
12.3 |
1 |
Show |
|
03313+2734 |
SHY 445 |
BC |
129 |
999.9 |
11 |
Show |
|
03313+2734 |
STF 401 |
AB |
270 |
11.5 |
11 |
Show |
|
03306+2713 |
UC 1012 |
|
354 |
48.0 |
32 |
Show |
|
03332+2817 |
HO 14 |
|
26 |
2.2 |
44 |
Show |
|
03350+2755 |
AZC 35 |
|
122 |
12.2 |
54 |
Show |
|
03321+2651 |
LDS6087 |
|
267 |
68.0 |
55 |
Show |
|
03353+2751 |
TDS2592 |
|
96 |
2.1 |
57 |
Show |
|
03326+2844 |
JNN 24 |
AB |
282 |
0.1 |
64 |
Show |
|
03326+2844 |
JNN 24 |
AC |
104 |
0.3 |
64 |
Show |
|
03277+2829 |
MLB 518 |
|
255 |
3.4 |
64 |
Show |
|
03295+2638 |
COU 685 |
|
248 |
2.6 |
69 |
Show |
|
03353+2651 |
COU 688 |
Aa,Ab |
201 |
0.5 |
78 |
Show |
|
03353+2651 |
STF 415 |
AB |
53 |
15.1 |
78 |
Show |
|
03353+2651 |
STF 415 |
AC |
357 |
40.0 |
78 |
Show |
|
03280+2631 |
LDS1146 |
AB |
308 |
6.0 |
83 |
Show |
|
03280+2631 |
WIS 93 |
AC |
105 |
636.2 |
83 |
Show |
|
03266+2843 |
CHR 9 |
Aa,Ab |
235 |
0.4 |
84 |
Show |
|
03266+2843 |
TOK 13 |
AB |
129 |
95.6 |
84 |
Show |
|
03266+2843 |
CIA 10 |
Aa1,2 |
245 |
0.0 |
84 |
Show |
|
03247+2746 |
WIS 91 |
|
327 |
665.6 |
85 |
Show |
|
03286+2904 |
STF 395 |
|
90 |
1.8 |
86 |
Show |
|
03343+2625 |
OL 152 |
|
50 |
2.3 |
90 |
Show |
|
03325+2615 |
COU 686 |
|
338 |
1.5 |
92 |
Show |
|
03355+2630 |
LDS5428 |
|
196 |
36.4 |
95 |
Show |
|
03372+2646 |
LDS6089 |
|
170 |
60.5 |
101 |
Show |
|
03346+2613 |
LDS1147 |
|
176 |
3.6 |
102 |
Show |
|
03350+2919 |
LSC 28 |
|
126 |
0.2 |
108 |
Show |
|
03392+2757 |
STF 424 |
|
313 |
10.0 |
109 |
Show |
|
03374+2632 |
COU 690 |
|
172 |
4.2 |
111 |
Show |
|
03389+2703 |
TDS2610 |
|
348 |
1.5 |
113 |
Show |
|
03310+2937 |
A 983 |
|
145 |
0.5 |
113 |
Show |
|
03224+2710 |
LDS3484 |
|
100 |
275.4 |
120 |
Show |
|
03317+2544 |
LDS6086 |
|
359 |
97.4 |
121 |
Show |
|
03402+2820 |
UC 1039 |
AB |
3 |
11.7 |
127 |
Show |
|
03402+2820 |
UC 1039 |
AC |
46 |
48.6 |
127 |
Show |
|
03402+2820 |
UC 1039 |
BC |
58 |
40.9 |
127 |
Show |
|
03360+2936 |
KPP1974 |
|
21 |
15.6 |
130 |
Show |
|
03398+2643 |
GRV 186 |
|
284 |
31.7 |
133 |
Show |
|
03405+2838 |
HO 323 |
|
208 |
16.5 |
136 |
Show |
|
03238+2605 |
COU 464 |
|
289 |
0.4 |
139 |
Show |
|
03390+2917 |
UC 1037 |
|
231 |
34.4 |
141 |
Show |
|
03406+2846 |
STF 427 |
AB |
207 |
7.0 |
142 |
Show |
|
03207+2819 |
MLB 638 |
|
300 |
9.3 |
142 |
Show |
|
03262+2950 |
ALP 10 |
|
269 |
24.8 |
142 |
Show |
|
03413+2832 |
STF 429 |
|
105 |
16.8 |
144 |
Show |
|
03286+2523 |
BRT 133 |
|
222 |
5.3 |
144 |
Show |
|
03355+2532 |
UC 1029 |
|
298 |
48.3 |
145 |
Show |
|
03416+2655 |
LDS6095 |
|
36 |
40.5 |
149 |
Show |
|
03313+2515 |
A 1825 |
|
306 |
2.9 |
149 |
|
|
WDS 03311+2744 : COMPONENTS
|
A |
B |
B |
pa=233.6°
sep=44.19"
| |
C |
pa=248.7°
sep=38.15"
| pa=0.2°
sep=12.34"
|
03311+2744 A
Name |
HD 21700 |
|
Coord arcsec 2000 |
033103.47+274353.6 |
|
Mag |
7.41 |
|
Spectral class |
B9 (blue-white) |
|
PmRA |
29.00 |
|
PmDE |
-28.0 |
|
SAO |
75964 |
|
HIP |
16386 |
|
Tycho2 |
1806-00170-1 |
|
HD |
21700 |
|
GC |
4181 |
|
BD |
BD+27 514 |
|
Tycho2 |
1806-00170-1 |
|
Pflag |
|
|
RAmdeg |
52.76443843 |
|
DEmdeg |
27.73155395 |
|
PmRA |
28.8 |
|
PmDE |
-26.7 |
|
E RAmdeg |
5 |
|
E DEmdeg |
5 |
|
E pmRA |
1.3 |
|
E pmDE |
1.2 |
|
EpRAm |
1991.37 |
|
EpDEm |
1991.12 |
|
Num |
10 |
|
Q RAmdeg |
0.6 |
|
Q DEmdeg |
0.6 |
|
Q pmRA |
0.6 |
|
Q pmDE |
0.7 |
|
BTmag |
7.474 |
|
E BTmag |
0.016 |
|
VTmag |
7.409 |
|
E VTmag |
0.011 |
|
Prox |
441 |
|
TYC |
T |
|
HIP |
16386 |
|
CCDM |
|
|
RAdeg |
52.76436361 |
|
DEdeg |
27.73161694 |
|
EpRA 1990 |
1.72 |
|
EpDE 1990 |
1.51 |
|
E RAdeg |
4.5 |
|
E DEdeg |
5.4 |
|
Posflg |
|
|
Corr |
-0.2 |
|
SAO |
75964 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.0019 |
|
DE1950 |
|
|
PmDE1950 |
-0.023 |
|
Vmag |
7.1 |
|
SpType |
B9 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
4181 |
|
DM |
BD+27 514 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
21700 |
|
M HD |
0 |
|
GC |
4181 |
|
RA1950rad |
0.90770763 |
|
DE1950rad |
0.48105007 |
|
PmRA2000 |
0.0019 |
|
PmDE2000 |
-0.026 |
|
Catalog |
H |
|
HIP |
16386 |
|
Proxy |
|
|
RAhms |
03 31 03.45 |
|
DEdms |
+27 43 53.8 |
|
Vmag |
7.44 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
52.7644 |
|
DEdeg |
27.7316 |
|
AstroRef |
|
|
Plx |
10.49 |
|
CCDM |
03310+2744 |
|
N CCDM |
I |
|
Nsys |
2 |
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
21700 |
|
BD |
BD+27 514 |
|
CD |
|
|
CP |
|
|
Dm number |
+27 514 |
|
VIred |
0.06 |
|
SpType |
B9 |
|
R SpType |
|
|
Coord arcsec 2000 |
033103.45+274353.8 |
|
HIP |
16386 |
|
Sn |
5 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
0.9209117376 |
|
DErad |
0.4840079734 |
|
Plx |
8.33 |
|
PmRA |
27.19 |
|
PmDE |
-28.02 |
|
E RArad |
0.64 |
|
E DErad |
0.38 |
|
E Plx |
0.72 |
|
E pmRA |
0.77 |
|
E pmDE |
0.68 |
|
Hpmag |
7.4627 |
|
E Hpmag |
0.0012 |
|
SHp |
0.007 |
|
VA |
0 |
|
BV |
0.04 |
|
E BV |
0.015 |
|
VI |
0.06 |
|
03311+2744 B
Coord arcsec 2000 |
033100.79+274327.4 |
|
Coord calc |
033100.79+274327.4 |
|
Mag |
7.81 |
|
Spectral class |
B9 (blue-white) |
|
PmRA |
29.00 |
|
PmDE |
-28.0 |
|
SAO |
75962 |
|
HIP |
16378 |
|
Tycho2 |
1806-00726-1 |
|
HD |
21685 |
|
BD |
BD+27 513 |
|
Calc delta mag |
0.4 |
|
Tycho2 |
1806-00726-1 |
|
Pflag |
|
|
RAmdeg |
52.75328293 |
|
DEmdeg |
27.72429197 |
|
PmRA |
27.6 |
|
PmDE |
-27.8 |
|
E RAmdeg |
5 |
|
E DEmdeg |
6 |
|
E pmRA |
1.2 |
|
E pmDE |
1.2 |
|
EpRAm |
1991.30 |
|
EpDEm |
1991.08 |
|
Num |
12 |
|
Q RAmdeg |
0.6 |
|
Q DEmdeg |
1.5 |
|
Q pmRA |
0.7 |
|
Q pmDE |
1.5 |
|
BTmag |
7.992 |
|
E BTmag |
0.017 |
|
VTmag |
7.812 |
|
E VTmag |
0.012 |
|
Prox |
441 |
|
TYC |
T |
|
HIP |
16378 |
|
CCDM |
|
|
RAdeg |
52.75321167 |
|
DEdeg |
27.72435722 |
|
EpRA 1990 |
1.76 |
|
EpDE 1990 |
1.52 |
|
E RAdeg |
5.0 |
|
E DEdeg |
6.3 |
|
Posflg |
|
|
Corr |
0.0 |
|
SAO |
75962 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.001 |
|
DE1950 |
|
|
PmDE1950 |
-0.014 |
|
Vmag |
8.2 |
|
SpType |
A0 |
|
Double code |
|
|
Source |
34 |
|
CatNum |
1713 |
|
DM |
BD+27 513 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
21685 |
|
M HD |
0 |
|
GC |
|
|
RA1950rad |
0.90751292 |
|
DE1950rad |
0.48092325 |
|
PmRA2000 |
0.001 |
|
PmDE2000 |
-0.017 |
|
Catalog |
H |
|
HIP |
16378 |
|
Proxy |
|
|
RAhms |
03 31 00.77 |
|
DEdms |
+27 43 27.7 |
|
Vmag |
7.87 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
52.7532 |
|
DEdeg |
27.7244 |
|
AstroRef |
|
|
Plx |
10.82 |
|
CCDM |
03310+2744 |
|
N CCDM |
I |
|
Nsys |
2 |
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
21685 |
|
BD |
BD+27 513 |
|
CD |
|
|
CP |
|
|
Dm number |
+27 513 |
|
VIred |
0.17 |
|
SpType |
A0 |
|
R SpType |
|
|
Coord arcsec 2000 |
033100.77+274327.7 |
|
HIP |
16378 |
|
Sn |
5 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
0.9207170295 |
|
DErad |
0.4838813201 |
|
Plx |
8.05 |
|
PmRA |
27.17 |
|
PmDE |
-28.68 |
|
E RArad |
0.83 |
|
E DErad |
0.48 |
|
E Plx |
0.94 |
|
E pmRA |
0.96 |
|
E pmDE |
0.86 |
|
Hpmag |
7.9227 |
|
E Hpmag |
0.0017 |
|
SHp |
0.011 |
|
VA |
0 |
|
BV |
0.15 |
|
E BV |
0.015 |
|
VI |
0.17 |
|
03311+2744 C
Coord arcsec 2000 |
033100.79+274339.7 |
|
Mag |
13 |
|
Calc delta mag |
5.59 |
|
Calc coord |
yes |
|