16175+7545 LDS 1844 (Eta UMi)
16h 17m 30.28s +75° 45' 19.1" P.A. 125.00 sep 228.3 mag 4.96,15.31 Sp F5V dist. 29.74 pc (97.01 l.y.)
Coord 2000 |
16175+7545 |
|
Discov num |
LDS1844 |
|
Comp |
|
|
Coord arcsec 2000 |
16 17 30.28 +75 45 19.1 |
|
Date first |
1966 |
|
Date last |
2015 |
|
Obs |
18 |
|
Pa first |
125 |
|
Pa last |
124.9 |
|
P.A. Now (θ) |
124.9° |
|
Sep first |
227.0 |
|
Sep last |
228.322 |
|
Sep. Now (ρ) |
228.322" |
|
Mag pri |
4.96 |
|
Mag sec |
15.31 |
|
delta mag (ΔM) |
10.35 |
|
Spectral class |
F5V (yellow-white) |
|
Pri motion ra |
-090 |
|
Sec motion ra |
-083 |
|
Pri motion dec |
+258 |
|
Sec motion dec |
+257 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.026 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
Eta UMi |
|
Constellation |
Ursa Minor |
|
SAO |
8470 |
|
HIP |
79822 |
|
Tycho2 |
4567-01764-1 |
|
Gaia DR2 |
1704062466923822336 |
|
HD |
148048 |
|
HR |
6116 |
|
GC |
21999 |
|
GL |
NN 3950A |
|
BD |
BD+76 596 |
|
Bayer |
Eta Ursae Minoris |
|
Bayer name |
Eta UMi |
|
Flamsteed |
21 Ursae Minoris |
|
Flamsteed name |
21 UMi |
|
FK5 |
612 |
|
Distance |
29.74 |
|
Distance ly |
97.01 |
|
Bayer greek |
η UMi |
|
WDS 16175+7545 LDS 1844 (Eta UMi) : NOTES
discov_num |
notes |
refcode |
LDS1844 |
eta UMi = 21 UMi |
|
DISCOVERER
idgroup |
discov |
author |
1 |
LDS |
Luyten p.m. catalog (from additional DD list) |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
16175+7545 |
LDS1844 |
|
1999 |
2 |
125 |
228.1 |
4.96 |
15.31 |
F5V |
N DV |
161730.50+754516.9 |
16175+7545 |
LDS1844 |
|
2004 |
3 |
125 |
228.4 |
4.96 |
15.31 |
F5V |
NVD |
161730.50+754516.9 |
16175+7545 |
LDS1844 |
|
2010 |
4 |
125 |
228.3 |
4.96 |
15.31 |
F5V |
NV |
161730.28+754519.1 |
16175+7545 |
LDS1844 |
|
2015 |
16 |
125 |
228.1 |
4.96 |
15.31 |
F5V |
NV |
161730.28+754519.1 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 16175+7545 LDS 1844 (Eta UMi) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 16175+7545 LDS 1844 (Eta UMi) : MEASURES
No records found.
WDS 16175+7545 (Eta UMi) : VIRTUAL EYEPIECE

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|
|
WDS 16175+7545 (Eta UMi) : ALADIN DSS IMAGE @ 16h 17m 30.28s +75° 45' 19.1"
WDS 16175+7545 LDS 1844 (Eta UMi) : 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 |
|
16175+7545 |
LDS1844 |
|
125 |
228.3 |
0 |
Show |
|
16216+7620 |
STF2066 |
|
56 |
5.3 |
38 |
Show |
|
16133+7620 |
MFL 224 |
|
136 |
8.8 |
39 |
Show |
|
16065+7547 |
HU 916 |
AB |
168 |
0.5 |
41 |
Show |
|
16065+7547 |
LDS1838 |
AB,C |
167 |
62.0 |
41 |
Show |
|
16282+7614 |
MLR 350 |
|
226 |
1.1 |
49 |
Show |
|
16165+7457 |
KPP3413 |
AC |
255 |
4.3 |
49 |
Show |
|
16263+7629 |
STF2077 |
|
308 |
17.4 |
55 |
Show |
|
16126+7642 |
UC 3136 |
|
136 |
16.3 |
60 |
Show |
|
16342+7559 |
ACG 1 |
|
290 |
5.7 |
63 |
Show |
|
16181+7651 |
UC 3150 |
|
320 |
15.4 |
66 |
Show |
|
16006+7523 |
TDS9724 |
|
329 |
1.3 |
68 |
Show |
|
16000+7615 |
STF2020 |
AB |
244 |
26.6 |
71 |
Show |
|
16196+7434 |
GII 41 |
|
27 |
2.7 |
72 |
Show |
|
16213+7434 |
HDS2310 |
|
104 |
0.2 |
73 |
Show |
|
16365+7618 |
MFL 241 |
|
70 |
20.0 |
77 |
Show |
|
15587+7628 |
LDS1833 |
|
117 |
3.6 |
81 |
Show |
|
16227+7708 |
SKF2776 |
|
285 |
4.9 |
85 |
Show |
|
16269+7411 |
LDS1846 |
|
40 |
16.3 |
101 |
Show |
|
16172+7734 |
CAB 23 |
AB |
315 |
21.3 |
109 |
Show |
|
16172+7734 |
RAO 601 |
Aa,Ab |
263 |
0.8 |
109 |
Show |
|
16343+7419 |
LDS1849 |
|
286 |
169.2 |
109 |
Show |
|
15588+7425 |
LDS1832 |
|
61 |
183.7 |
110 |
Show |
|
16218+7734 |
MFL 235 |
|
165 |
7.3 |
110 |
Show |
|
16002+7417 |
LDS1835 |
|
243 |
17.9 |
111 |
Show |
|
15586+7726 |
UC 3095 |
|
207 |
29.5 |
120 |
Show |
|
16132+7339 |
MLR 196 |
|
235 |
0.7 |
128 |
Show |
|
16003+7356 |
MLR 349 |
|
312 |
8.3 |
129 |
Show |
|
16356+7343 |
LDS1850 |
|
101 |
234.1 |
141 |
Show |
|
16319+7759 |
MFL 216 |
|
11 |
5.3 |
143 |
Show |
|
16256+7325 |
TDS9892 |
|
198 |
0.6 |
145 |
Show |
|
16292+7805 |
FAR 48 |
AB |
19 |
0.4 |
145 |
Show |
|
16292+7805 |
FAR 48 |
Ba,Bb |
200 |
0.0 |
145 |
Show |
|
16004+7331 |
MLR 195 |
|
297 |
1.1 |
151 |
Show |
|
16126+7315 |
LDS1840 |
|
36 |
5.7 |
152 |
Show |
|
16181+7257 |
LDS1843 |
|
117 |
15.3 |
168 |
Show |
|
15586+7822 |
MFL 170 |
|
357 |
7.5 |
169 |
Show |
|
16310+7304 |
NSN 679 |
|
338 |
2.0 |
171 |
Show |
|
16097+7837 |
MFL 222 |
|
21 |
6.1 |
174 |
Show |
|
16108+7840 |
MFL 261 |
|
260 |
4.6 |
176 |
Show |
|
16046+7254 |
TDS9749 |
|
191 |
2.2 |
180 |
Show |
|
16271+7844 |
TDS9908 |
|
191 |
0.6 |
182 |
Show |
|
16324+7847 |
KPP2334 |
|
231 |
19.9 |
188 |
Show |
|
16363+7247 |
TDS9998 |
|
336 |
0.5 |
194 |
Show |
|
16090+7234 |
STF2036 |
AB |
238 |
2.2 |
195 |
Show |
|
16090+7234 |
HJ 3345 |
AC |
166 |
14.3 |
195 |
Show |
|
16035+7237 |
SKF2726 |
|
149 |
4.9 |
197 |
Show |
|
16315+7237 |
HDS2334 |
|
175 |
1.1 |
197 |
Show |
|
16359+7912 |
BVD 328 |
|
350 |
55.7 |
216 |
Show |
|
16304+7930 |
MLR 351 |
|
91 |
3.6 |
229 |
Show |
|
16339+7159 |
HDS2342 |
|
265 |
0.3 |
237 |
|
|
WDS 16175+7545 : COMPONENTS
|
A |
B |
pa=160.6°
sep=138.54"
|
16175+7545 A
Name |
Eta UMi |
|
Coord arcsec 2000 |
161730.28+754519.1 |
|
Mag |
4.96 |
|
Spectral class |
F5V (yellow-white) |
|
PmRA |
-90.00 |
|
PmDE |
258.0 |
|
SAO |
8470 |
|
HIP |
79822 |
|
Tycho2 |
4567-01764-1 |
|
HD |
148048 |
|
HR |
6116 |
|
GC |
21999 |
|
BD |
BD+76 596 |
|
Bayer |
Eta Ursae Minoris |
|
Bayer name |
Eta |
|
Flamsteed |
21 Ursae Minoris |
|
Flamsteed name |
21 UMi |
|
FK5 |
612 |
|
Tycho2 |
4567-01764-1 |
|
Pflag |
|
|
RAmdeg |
244.37620882 |
|
DEmdeg |
75.75532538 |
|
PmRA |
-89.1 |
|
PmDE |
256.0 |
|
E RAmdeg |
3 |
|
E DEmdeg |
3 |
|
E pmRA |
0.6 |
|
E pmDE |
0.6 |
|
EpRAm |
1991.26 |
|
EpDEm |
1991.24 |
|
Num |
18 |
|
Q RAmdeg |
1.0 |
|
Q DEmdeg |
1.0 |
|
Q pmRA |
1.0 |
|
Q pmDE |
1.0 |
|
BTmag |
5.378 |
|
E BTmag |
0.014 |
|
VTmag |
4.991 |
|
E VTmag |
0.009 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
79822 |
|
CCDM |
|
|
RAdeg |
244.37704194 |
|
DEdeg |
75.75473028 |
|
EpRA 1990 |
1.72 |
|
EpDE 1990 |
1.63 |
|
E RAdeg |
3.4 |
|
E DEdeg |
3.3 |
|
Posflg |
|
|
Corr |
0.1 |
|
SAO |
8470 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0232 |
|
DE1950 |
|
|
PmDE1950 |
0.25 |
|
Vmag |
5 |
|
SpType |
F0 |
|
Double code |
|
|
Source |
74 |
|
CatNum |
612 |
|
DM |
BD+76 596 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
148048 |
|
M HD |
0 |
|
GC |
21999 |
|
RA1950rad |
4.2714234 |
|
DE1950rad |
1.32420379 |
|
PmRA2000 |
-0.0224 |
|
PmDE2000 |
0.25 |
|
Catalog |
H |
|
HIP |
79822 |
|
Proxy |
|
|
RAhms |
16 17 30.50 |
|
DEdms |
+75 45 16.9 |
|
Vmag |
4.95 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
244.377 |
|
DEdeg |
75.7547 |
|
AstroRef |
|
|
Plx |
33.52 |
|
CCDM |
16176+7545 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
148048 |
|
BD |
BD+76 596 |
|
CD |
|
|
CP |
|
|
Dm number |
+76 596 |
|
VIred |
0.44 |
|
SpType |
F5V |
|
R SpType |
|
|
Coord arcsec 2000 |
161730.50+754516.9 |
|
HIP |
79822 |
|
Sn |
5 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
4.2651847957 |
|
DErad |
1.3221690065 |
|
Plx |
33.63 |
|
PmRA |
-90.3 |
|
PmDE |
257.66 |
|
E RArad |
0.16 |
|
E DErad |
0.17 |
|
E Plx |
0.17 |
|
E pmRA |
0.19 |
|
E pmDE |
0.2 |
|
Hpmag |
5.0409 |
|
E Hpmag |
0.0006 |
|
SHp |
0.004 |
|
VA |
0 |
|
BV |
0.393 |
|
E BV |
0.002 |
|
VI |
0.46 |
|
16175+7545 B
Coord arcsec 2000 |
161742.76+754308.5 |
|
Mag |
15.31 |
|
PmRA |
-83.00 |
|
PmDE |
257.0 |
|
Calc delta mag |
10.35 |
|
Calc coord |
yes |
|