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Current system
16500+8630
WRS 7


Nearby doubles
22' : 16573+8651
STT 340AB

29' : 16412+8603
MLR 352AB

57' : 16371+8535
MFL 251

69' : 17002+8737
MFL 212

70' : 16357+8521
LDS1854

92' : 16423+8801
LDS1861

96' : 17091+8456
WFC 188

126' : 17031+8426
LDS1862

130' : 16354+8422
MFL 230

138' : 16518+8412
TDT 120

234' : 16480+8236
KPP 380

249' : 16410+8222
STF2125

250' : 16437+8221
LDS1856

268' : 16460+8202
HDO 143AB

276' : 16330+8155
KPP4005

280' : 16441+8151
BU 955

280' : 16475+8150
FOX 195

280' : 16406+8150
MFL 240



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

16500+8630 WRS 7

 
 
16h 49m 59.00s +86° 29' 41.6" P.A. 112.00 sep 4.3 mag 9.70,11.50
 
 
Coord 2000 16500+8630 Discov num WRS   7 Comp Coord arcsec 2000 16 49 59.00 +86 29 41.6
Date first 1899 Date last 2018 Obs 4
Pa first 126 Pa last 111.9 P.A. Now (θ) 111.9°
Sep first 3.9 Sep last 4.29 Sep. Now (ρ) 4.29"
Mag pri 9.70 Mag sec 11.50 delta mag (ΔM) 1.8 Spectral class
Pri motion ra +000 Sec motion ra +000
Pri motion dec -004 Sec motion dec -004
Notes T (Parallax indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ursa Minor Tycho2 4655-00335-1 Gaia DR2 1727839096636964608
 
 
WDS 16500+8630 WRS 7 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Wrs2017 P+ w Wierzchos, K. ...................
Wrs2017 +H+ Webb Soc., Double Star Circ. 25, 56, 2017
Wrs2017 +E+
Wrs2017 +C
Wrs2017b C w Wierzchos, K. 2017IAUDS.193....1W
Wrs2017b Inf. Circ. 193, 1, 2017
Wrs2018a C - Wierzchos, K. 2018IAUDS.194....5W
Wrs2018a Inf. Circ. 194, 5, 2018
Wrs2019a C - Wierzchos, K. 2019IAUDS.198....7W
Wrs2019a Inf. Circ. 198, 7, 2019
Wrs2019b C j Wierzchos, K. 2019IAUDS.199....5W
Wrs2019b Inf. Circ. 199, 5, 2019 .
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16500+8630 WRS 7 2018 3 112 4.3 9.70 11.50 T 164959.00+862941.6

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 16500+8630 WRS 7 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16500+8630 WRS 7 : MEASURES
 
 
No records found.

 
 
WDS 16500+8630 : VIRTUAL EYEPIECE
 
 

16500+8630 WRS 7A mag 9.7 16500+8630 WRS 7B sep 1.6 P.A. 171.40 mag 11.5 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 16500+8630 : ALADIN DSS IMAGE @ 16h 49m 59.00s +86° 29' 41.6"
 
 
 
 
WDS 16500+8630 WRS 7 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16500+8630 WRS 7 distance=0' 16573+8651 STT 340AB distance=22' 16573+8651 WAL 75AC distance=22' 16412+8603 MLR 352AB distance=29' 16412+8603 MLR 352BC distance=29' 16371+8535 MFL 251 distance=57' 17002+8737 MFL 212 distance=69' 16357+8521 LDS1854 distance=70' 16423+8801 LDS1861 distance=92' 17011+8456 MFL 247AC distance=95' 17091+8456 WFC 188 distance=96' 17031+8426 LDS1862 distance=126' 16354+8422 MFL 230 distance=130' 16518+8412 TDT 120 distance=138' 16480+8236 KPP 380 distance=234' 16410+8222 STF2125 distance=249' 16437+8221 LDS1856 distance=250' 16460+8202 HDO 143AB distance=268' 16330+8155 KPP4005 distance=276' 16441+8151 BU 955 distance=280' 16475+8150 FOX 195 distance=280' 16406+8150 MFL 240 distance=280' grafico limitrofi
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 16500+8630 WRS 7 112 4.3
Show 16573+8651 STT 340 AB 221 31.4 22
Show 16573+8651 WAL 75 AC 92 78.1 22
Show 16412+8603 MLR 352 AB 257 29.2 29
Show 16412+8603 MLR 352 BC 237 3.1 29
Show 16371+8535 MFL 251 200 6.9 57
Show 17002+8737 MFL 212 23 28.5 69
Show 16357+8521 LDS1854 144 8.9 70
Show 16423+8801 LDS1861 350 51.6 92
Show 17011+8456 MFL 247 AC 18 1.4 95
Show 17091+8456 WFC 188 174 11.3 96
Show 17031+8426 LDS1862 335 12.6 126
Show 16354+8422 MFL 230 159 37.6 130
Show 16518+8412 TDT 120 289 0.6 138
Show 16480+8236 KPP 380 197 4.9 234
Show 16410+8222 STF2125 178 12.2 249
Show 16437+8221 LDS1856 13 10.4 250
Show 16460+8202 HDO 143 AB 1 76.6 268
Show 16330+8155 KPP4005 203 1.6 276
Show 16441+8151 BU 955 357 0.9 280
Show 16475+8150 FOX 195 88 12.4 280
Show 16406+8150 MFL 240 142 5.0 280

 
 
WDS 16500+8630 : COMPONENTS
 
 
  A
B pa=171.4°
sep=1.62"
 
 
16500+8630 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 164959.00+862941.6 Mag 9.7 PmRA 0.00
PmDE -4.0 Tycho2 4655-00335-1
Tycho2
Tycho2 4655-00335-1 Pflag RAmdeg 252.49473681 DEmdeg 86.49493479
PmRA -0.4 PmDE -2.5 E RAmdeg 38 E DEmdeg 33
E pmRA 2.1 E pmDE 2.2 EpRAm 1987.90 EpDEm 1989.30
Num 3 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.9 BTmag 12.309 E BTmag 0.142 VTmag 10.605
E VTmag 0.042 Prox 999 TYC T HIP
CCDM RAdeg 252.49475278 DEdeg 86.49494056 EpRA 1990 1.59
EpDE 1990 1.71 E RAdeg 38.8 E DEdeg 33.3 Posflg
Corr 0.0
 
 
16500+8630 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 164959.27+862940.0 Mag 11.5 PmRA 0.00
PmDE -4.0 Calc delta mag 1.8 Calc coord yes