15292+8027 LAF 54 BD
15h 29m 23.57s +80° 27' 00.9" P.A. 271.00 sep 6.9 mag 5.60,20.10 Sp G9V
Coord 2000
15292+8027
Discov num
LAF 54
Comp
BD
Coord arcsec 2000
15 29 23.57 +80 27 00.9
Date first
2005
Date last
2005
Obs
1
Pa first
271
Pa last
271.3
P.A. Now (θ)
271.3°
Sep first
6.9
Sep last
6.85
Sep. Now (ρ)
6.85"
Mag pri
5.60
Mag sec
20.10
delta mag (ΔM)
14.5
Spectral class
G9V (yellow)
Pri motion ra
-217
Sec motion ra
Pri motion dec
+106
Sec motion dec
Notes
N
K
(See Notes, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
15292+8027 SYSTEM COMPONENTS
Show
name
SAO
coord
wds_name
last
obs
pa
sep
mag1
mag2
d_mag
orb
current
Show
Pi1 UMi
2556
15 29 11 +80 26 55
STF 1972 AB
2018
107
79
31.6
6.64
7.30
0.66
Show
2556
15 29 11 +80 26 55
STF 1972 AC
2020
9
101
188.1
6.64
11.40
4.76
Show
15 29 24 +80 27 01
LAF 54 BD
2005
1
271
6.9
5.60
20.10
14.50
<===
Show
15 29 24 +80 27 01
LAF 54 BE
2005
1
272
7.4
5.60
20.30
14.70
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation
Ursa Minor
Gaia DR2
1720995598827436928
WDS 15292+8027 LAF 54 BD : NOTES
discov_num
notes
refcode
STF1972
LDS1823. A is a spectroscopic binary. Composite spectrum:
G0IV-V+G8IV-V. B is BD+80@481, and is also a spectroscopic binary.
AB: NLTT 40576/40590
Chm2004
AB: HJL 224.
HJL1986
AB: H 4 90.
MEv2010
REFERENCES
refcode
metd
author
reference
Chm2004
E -
Chaname, J. & Gould, A.
2004ApJ...601..289C
Chm2004
ApJ 601, 289, 2004
Chm2004
(Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004
versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004
identical to discovery observations - predominantly close pairs - were assumed
Chm2004
not new observations, so not included in WDS. Similar concerns when primary and
Chm2004
secondary magnitudes or proper motions were the same.)
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)
MEv2010
-
MacEvoy, B.
...................
MEv2010
private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
DISCOVERER
idgroup
discov
author
1
LAF
Lafreniere, D., Doyon, R., Marois, C., Nadeau, D., Oppenheimer, B.R., Roche, P.F.,
1
LAF
Rigaut, F., Graham, J.R., et al.
10
LAF
Lafreniere, D., Jayawardhana, R., Janson, M., Helling, C., Witte, S., &
10
LAF
Hauschildt, P.
13
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
15292+8027
LAF 54
BD
2005
1
271
6.9
7.31
22.00
G5
152924.36+802700.0
If you need more information about this double, apply for a
data request form to the WDS.
WDS 15292+8027 LAF 54 BD : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 15292+8027 LAF 54 BD : MEASURES
No records found.
WDS 15292+8027 : 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 15292+8027 : ALADIN DSS IMAGE @ 15h 29m 23.57s +80° 27' 00.9"
DSS color
DSS blue
2MASS
AllWISE
GALEX
SDSS9
XMM
PanSTARRS
WDS 15292+8027 LAF 54 BD : 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
15292+8027
LAF 54
BD
271
6.9
Show
15292+8027
LAF 54
BE
272
7.4
Show
15292+8027
STF1972
AB
79
31.6
1
Show
15292+8027
STF1972
AC
101
188.1
1
Show
15309+8020
MFL 195
348
9.6
8
Show
15288+8037
HAU 23
65
34.9
10
Show
15386+7958
LDS1827
45
6.0
37
Show
15325+8103
STF1980
47
10.2
37
Show
15396+7959
STF1989
23
0.7
39
Show
15355+8106
TDS9554
23
1.1
43
Show
15365+7943
TDS9560
17
0.6
49
Show
15149+8102
TDS9464
59
0.5
50
Show
15434+8119
A 856
AB
345
5.2
62
Show
15434+8119
A 856
AC
343
62.7
62
Show
15198+7923
MFL 197
94
5.4
69
Show
15326+7907
KPP3292
183
3.0
81
Show
15446+8142
MFL 167
237
9.7
83
Show
15118+7849
MFL 188
60
8.7
109
Show
15144+8213
UC 2967
207
47.9
111
Show
15490+8209
MFL 185
AC
336
15.5
112
Show
15223+7835
KPP 342
323
3.7
114
Show
15178+7817
TDS9472
95
1.1
134
Show
15281+8245
MFL 166
115
7.6
138
Show
15364+8313
MLR 348
101
0.8
167
Show
15479+7746
STF1997
339
18.3
170
Show
15476+8316
STF2002
312
42.2
174
Show
15356+7726
LDS1825
AB
280
182.4
183
Show
15356+7726
WIS 288
AC
318
999.9
183
Show
15476+7722
MFL 186
248
6.1
192
Show
15487+8337
STF2034
110
1.1
195
Show
15282+7710
MFL 147
147
59.7
197
Show
15195+7710
SKF1235
159
7.1
200
Show
15202+7708
LDS1819
226
11.8
201
Show
15266+7701
LDS1821
72
4.5
205
Show
15325+7646
HU 911
268
1.6
221
Show
15103+7648
LDS1812
160
90.2
226
Show
15434+7643
MFL 172
317
5.7
228
Show
15340+7632
LDS1824
180
1.9
236
Show
15479+7636
MFL 183
259
31.9
238
Show
15189+7626
MFL 198
237
11.0
243
Show
15258+8430
MLR 347
214
0.2
244
Show
15231+7620
MFL 148
143
60.0
248
Show
15123+8446
TDS9444
350
0.4
261
Show
15399+7606
MFL 171
132
4.1
264
Show
15143+8452
TDS 771
226
1.1
267
Show
15403+7601
HEI 787
255
2.9
268
Show
15229+8457
MLR 345
229
0.8
271
WDS 15292+8027 : COMPONENTS
A
B
C
D
B
pa=79.2°
sep=31.37"
C
pa=139.0°
sep=46.73"
pa=180.2°
sep=41.15"
D
pa=78.5°
sep=30.29"
pa=277.8°
sep=1.15"
pa=358.6°
sep=41.32"
E
pa=78.2°
sep=30.23"
pa=283.0°
sep=1.25"
pa=358.5°
sep=41.44"
pa=326.5°
sep=0.15"
15292+8027 A
Name
Pi1 UMi
Coord arcsec 2000
152911.19+802655.0
Mag
6.64
Spectral class
G1.5V (yellow)
PmRA
-225.00
PmDE
108.0
SAO
2556
HIP
75809
Tycho2
4566-01950-1
HD
139777
HR
5829
GC
20929
BD
BD+80 480
Bayer
Pi 1
Bayer name
Pi1
Tycho2
4566-01950-1
Pflag
RAmdeg
232.29666362
DEmdeg
80.44860457
PmRA
-223.2
PmDE
107.8
E RAmdeg
4
E DEmdeg
4
E pmRA
1.2
E pmDE
1.2
EpRAm
1991.52
EpDEm
1991.48
Num
11
Q RAmdeg
0.8
Q DEmdeg
0.8
Q pmRA
0.7
Q pmDE
0.7
BTmag
7.367
E BTmag
0.015
VTmag
6.643
E VTmag
0.010
Prox
313
TYC
T
HIP
75809
CCDM
RAdeg
232.29975694
DEdeg
80.44835444
EpRA 1990
1.72
EpDE 1990
1.65
E RAdeg
4.1
E DEdeg
4.2
Posflg
Corr
0.0
SAO
2556
DelFlag
RA1950
PmRA1950
-0.0944
DE1950
PmDE1950
0.115
Vmag
6.5
SpType
G5
Double code
Source
70
CatNum
20929
DM
BD+80 480
DMcomp
BDsup
HD
139777
M HD
0
GC
20929
RA1950rad
4.06663416
DE1950rad
1.40701342
PmRA2000
-0.0917
PmDE2000
0.113
Catalog
H
HIP
75809
Proxy
RAhms
15 29 11.97
DEdms
+80 26 54.0
Vmag
6.57
VarFlag
R Vmag
G
RAdeg
232.3
DEdeg
80.4483
AstroRef
Plx
45.32
CCDM
15293+8027
N CCDM
I
Nsys
2
Ncomp
1
MultFlag
Source
Qual
M HIP
Theta
Rho
HD
139777
BD
BD+80 480
CD
CP
Dm number
+80 480
VIred
0.73
SpType
G8IV-V+...
R SpType
Coord arcsec 2000
152911.97+802654.0
HIP
75809
Sn
5
So
0
Nc
1
RArad
4.0543979862
DErad
1.4040884141
Plx
45.77
PmRA
-224.25
PmDE
108.19
E RArad
0.34
E DErad
0.33
E Plx
0.37
E pmRA
0.4
E pmDE
0.4
Hpmag
6.7384
E Hpmag
0.0019
SHp
0.017
VA
0
BV
0.665
E BV
0.005
VI
0.73
15292+8027 B
Coord arcsec 2000
152923.57+802700.9
Coord calc
152923.57+802700.9
Mag
5.6
Spectral class
G9V (yellow)
PmRA
-217.00
PmDE
106.0
Calc delta mag
1.04
15292+8027 C
Coord arcsec 2000
152923.51+802619.8
Mag
11.4
Calc delta mag
4.76
Calc coord
yes
15292+8027 D
Coord arcsec 2000
152923.11+802701.1
Mag
20.1
Calc delta mag
13.46
Calc coord
yes
15292+8027 E
Coord arcsec 2000
152923.08+802701.2
Mag
20.3
Calc delta mag
13.66
Calc coord
yes