stampa
Login

Too lazy to login each time? Click on "Remember me" at login and forget about it!
Register here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20508+1702
CVR 875


Nearby doubles
10' : 20501+1707
HEI 183

11' : 20500+1702
UC 4303

15' : 20503+1649
TDT2571

18' : 20513+1647
J 3115

20' : 20499+1718
CBL 88

22' : 20522+1656
J 3116AB

32' : 20500+1732
TDS1104

33' : 20503+1630
LDS1048AB

38' : 20527+1726
J 605AB

38' : 20518+1736
J 2325

44' : 20514+1619
BPM2283

46' : 20539+1700
BPM2288

47' : 20505+1616
KPP4216

47' : 20485+1628
BPM2271

50' : 20479+1732
BRT1348

52' : 20535+1734
UC 4319

55' : 20534+1742
BPM2286

61' : 20481+1616
SKF1770

61' : 20506+1601
BPM2281

65' : 20463+1715
GWP2995

66' : 20542+1619
BPM2289

68' : 20501+1556
BPM2278

68' : 20548+1642
ROE 126

70' : 20489+1558
BPM2275

71' : 20499+1811
UC 4302

72' : 20530+1806
UC 4316



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20508+1702 CVR 875

 
 
20h 50m 44.65s +17° 02' 12.4" P.A. 72.00 sep 20.3 mag 15.70,16.20 Sp M1+M1
 
 
Coord 2000 20508+1702 Discov num CVR 875 Comp Coord arcsec 2000 20 50 44.65 +17 02 12.4
Date first 2000 Date last 2016 Obs 8
Pa first 72 Pa last 71.9 P.A. Now (θ) 71.9°
Sep first 20.3 Sep last 20.305 Sep. Now (ρ) 20.305"
Mag pri 15.70 Mag sec 16.20 delta mag (ΔM) 0.5 Spectral class M1+M1 (red/red)
Pri motion ra +042 Sec motion ra +043
Pri motion dec +022 Sec motion dec +023
Notes V R (Proper motion indicates physical, Red magnitudes)
rPM=0.029 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1764653700873834240
 
 
WDS 20508+1702 CVR 875 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Cvr2011 Eu - Chivers, J. 2011JDSO....7..209C
Cvr2011 JDSO 7, 209, 2011
Cvr2014 Es u Chivers, J. 2014JDSO...10...62C
Cvr2014 JDSO 10, 62, 2014
Cvr2014b Es u Chivers, J. 2014JDSO...10..256C
Cvr2014b JDSO 10, 256, 2014
Cvr2014b (Note: Coordinates in main table are of secondary, not primary. Corrected in WDS)
Cvr2014c Eu - Chivers, J. 2014JDSO...10..300C
Cvr2014c JDSO 10, 300, 2014
Cvr2015a Eu u Chivers, J. 2015JDSO...11...42C
Cvr2015a +Es JDSO 11, 42, 2015
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20508+1702 CVR 875 2004 1 72 20.3 15.70 16.20 M1+M1 V R 205046.00+170218.8
20508+1702 CVR 875 2015 2 73 20.3 15.70 16.20 M1+M1 V R 205046.00+170218.8
20508+1702 CVR 875 2016 8 72 20.3 15.70 16.20 M1+M1 V R 205044.65+170212.4

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

 
 
WDS 20508+1702 CVR 875 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20508+1702 CVR 875 : MEASURES
 
 
Records found: 1
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 15/08/20 g.locatelli difficut 20.24 0.21 73.52 0.31 0.50 1 Rc mag A 15.8 B 16.3 WDS precise coordinates refer to the secondary star. All other parameters agree with the primary as the most bright star (the one on the right)
 
 
WDS 20508+1702 : VIRTUAL EYEPIECE
 
 

20508+1702 CVR 875A mag 15.7 Sp M1 20508+1702 CVR 875B sep 19.5 P.A. 71.10 mag 16.2 Sp M1 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20508+1702 : ALADIN DSS IMAGE @ 20h 50m 44.65s +17° 02' 12.4"
 
 
 
 
WDS 20508+1702 CVR 875 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20508+1702 CVR 875 distance=1' 20501+1707 HEI 183 distance=10' 20500+1702 UC 4303 distance=11' 20503+1649 TDT2571 distance=15' 20513+1647 J 3115 distance=18' 20499+1718 CBL 88 distance=20' 20522+1656 J 3116AB distance=22' 20522+1656 J 3116BC distance=22' 20500+1732 TDS1104 distance=32' 20503+1630 LDS1048AB distance=33' 20503+1630 LDS1048AC distance=33' 20527+1726 J 605AB distance=38' 20527+1726 J 605AC distance=38' 20518+1736 J 2325 distance=38' 20514+1619 BPM2283 distance=44' 20539+1700 BPM2288 distance=46' 20505+1616 KPP4216 distance=47' 20485+1628 BPM2271 distance=47' 20479+1732 BRT1348 distance=50' 20535+1734 UC 4319 distance=52' 20534+1742 BPM2286 distance=55' 20481+1616 SKF1770 distance=61' 20506+1601 BPM2281 distance=61' 20463+1715 GWP2995 distance=65' 20542+1619 BPM2289 distance=66' 20501+1556 BPM2278 distance=68' 20548+1642 ROE 126 distance=68' 20489+1558 BPM2275 distance=70' 20499+1811 UC 4302 distance=71' 20530+1806 UC 4316 distance=72' 20481+1601 BPM2269 distance=73' 20555+1730 J 3328 distance=73' 20463+1624 BPM2257 distance=75' 20456+1714 COU 425 distance=75' 20466+1616 BPM2261 distance=76' 20518+1545 GWP3007 distance=79' 20453+1715 GWP2993 distance=79' 20509+1544 BPM2282 distance=79' 20467+1607 STF2727AB distance=81' 20467+1607 FYM 18AD distance=81' 20556+1744 BPM2297 distance=81' 20480+1816 BPM2268 distance=84' 20468+1602 BPM2264 distance=84' 20485+1545 BPM2272 distance=84' 20448+1730 BPM2252 distance=90' 20446+1642 BPM2246AB distance=91' 20446+1642 BPM2247AC distance=91' 20446+1635 BPM2250BC distance=91' 20446+1635 BPM2248AB distance=93' 20446+1635 BPM2249AC distance=93' 20462+1554 WSI 110Aa,Ab distance=94' 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 20508+1702 CVR 875 72 20.3 1
Show 20501+1707 HEI 183 25 0.5 10
Show 20500+1702 UC 4303 81 18.2 11
Show 20503+1649 TDT2571 258 0.8 15
Show 20513+1647 J 3115 321 7.1 18
Show 20499+1718 CBL 88 104 43.4 20
Show 20522+1656 J 3116 AB 39 73.3 22
Show 20522+1656 J 3116 BC 143 6.0 22
Show 20500+1732 TDS1104 299 1.9 32
Show 20503+1630 LDS1048 AB 151 13.7 33
Show 20503+1630 LDS1048 AC 213 1.6 33
Show 20527+1726 J 605 AB 241 1.7 38
Show 20527+1726 J 605 AC 161 38.1 38
Show 20518+1736 J 2325 260 5.4 38
Show 20514+1619 BPM2283 243 38.1 44
Show 20539+1700 BPM2288 339 115.1 46
Show 20505+1616 KPP4216 237 1.6 47
Show 20485+1628 BPM2271 127 97.8 47
Show 20479+1732 BRT1348 123 5.7 50
Show 20535+1734 UC 4319 158 67.6 52
Show 20534+1742 BPM2286 19 97.0 55
Show 20481+1616 SKF1770 223 3.4 61
Show 20506+1601 BPM2281 268 35.3 61
Show 20463+1715 GWP2995 257 8.3 65
Show 20542+1619 BPM2289 75 96.0 66
Show 20501+1556 BPM2278 296 68.3 68
Show 20548+1642 ROE 126 138 9.7 68
Show 20489+1558 BPM2275 143 74.7 70
Show 20499+1811 UC 4302 172 82.1 71
Show 20530+1806 UC 4316 216 48.9 72
Show 20481+1601 BPM2269 222 81.9 73
Show 20555+1730 J 3328 120 4.2 73
Show 20463+1624 BPM2257 337 107.8 75
Show 20456+1714 COU 425 327 0.7 75
Show 20466+1616 BPM2261 202 69.5 76
Show 20518+1545 GWP3007 163 8.1 79
Show 20453+1715 GWP2993 104 11.1 79
Show 20509+1544 BPM2282 160 54.6 79
Show 20467+1607 STF2727 AB 266 8.8 81
Show 20467+1607 FYM 18 AD 323 109.4 81
Show 20556+1744 BPM2297 91 30.5 81
Show 20480+1816 BPM2268 54 74.1 84
Show 20468+1602 BPM2264 222 107.2 84
Show 20485+1545 BPM2272 333 103.7 84
Show 20448+1730 BPM2252 246 39.8 90
Show 20446+1642 BPM2246 AB 16 90.0 91
Show 20446+1642 BPM2247 AC 173 116.0 91
Show 20446+1635 BPM2250 BC 332 117.2 91
Show 20446+1635 BPM2248 AB 95 107.8 93
Show 20446+1635 BPM2249 AC 29 107.0 93
Show 20462+1554 WSI 110 Aa,Ab 343 0.0 94

 
 
WDS 20508+1702 : COMPONENTS
 
 
  A
B pa=71.1°
sep=19.50"
 
 
20508+1702 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205044.65+170212.4 Mag 15.7 Spectral class M1 (red)
PmRA 42.00 PmDE 22.0
 
 
20508+1702 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205045.94+170218.7 Mag 16.2 Spectral class M1 (red)
PmRA 43.00 PmDE 23.0 Calc delta mag 0.5 Calc coord yes