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Doubles in session


Current system
20170+1716
OSO 123 AD


Nearby doubles
17' : 20159+1714
KPP 465

21' : 20184+1719
BPM2099

21' : 20170+1655
J 3070

24' : 20186+1711
BPM2101

24' : 20181+1736
HJ 2946

25' : 20177+1739
BPMA245

27' : 20159+1655
GWP2932

31' : 20164+1745
J 1109AB

31' : 20192+1723
J 1247

34' : 20174+1643
LDS1039

34' : 20193+1705
BPM2109

36' : 20171+1641
BPM2087

40' : 20188+1751
J 3314

42' : 20191+1647
BPM2105

43' : 20177+1755
J 1340

47' : 20199+1733
HJ 2950

48' : 20170+1805
J 2307

49' : 20143+1648
BPM2070

49' : 20192+1753
BPM2106

50' : 20202+1734
BPM2116

51' : 20158+1628
BPM2080

55' : 20202+1644
SKF2134

57' : 20131+1713
BPM2062

57' : 20139+1751
BPM2067

58' : 20153+1807
BPM2079

61' : 20149+1808
BPM2075



Selections
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Triple Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20170+1716 OSO 123 AD

 
 
20h 17m 01.33s +17° 15' 45.9" P.A. 99.00 sep 21.1 mag 10.61,13.30 Sp K5
 
 
Coord 2000 20170+1716 Discov num OSO 123 Comp AD Coord arcsec 2000 20 17 01.33 +17 15 45.9
Date first 1994 Date last 2015 Obs 11
Pa first 114 Pa last 98.5 P.A. Now (θ) 98.5°
Sep first 18.9 Sep last 21.135 Sep. Now (ρ) 21.135"
Mag pri 10.61 Mag sec 13.30 delta mag (ΔM) 2.69 Spectral class K5 (yellow-orange)
Pri motion ra -169 Sec motion ra -002
Pri motion dec -208 Sec motion dec +000
Notes N (See Notes)
rPM=0.995
This double is not physical.
 
 
20170+1716 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 17 01 +17 15 46 OSO 123 AB 1994 2 264 10.0 10.61 18.30 7.69
Show 20 17 01 +17 15 46 OSO 123 AC 2015 11 349 17.9 10.61 14.20 3.59
Show 20 17 01 +17 15 46 OSO 123 AD 2015 11 99 21.1 10.61 13.30 2.69 <===
Show 20 17 01 +17 15 46 OSO 123 AE 2014 8 44 26.2 10.61 18.30 7.69
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagitta Tycho2 1635-00284-1 Gaia DR2 1809167910169472256 HD 351944
 
 
WDS 20170+1716 OSO 123 AD : NOTES
 
 
discov_num notes refcode
OSO 123 G143-043. None is a common proper motion pair, based on comparison
with POSS2 red plates. Oso2004
 
 
REFERENCES
 
 
refcode metd author reference
Oso2004 C j Zapatero Osorio, M.R. & Martin, E.L. 2004A&A...419..167Z
Oso2004 +Pa A&A 419, 167, 2004
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20170+1716 OSO 123 AD 1998 3 110 19.2 10.61 13.30 N D 201701.33+171545.9
20170+1716 OSO 123 AD 2001 4 108 19.5 10.61 13.30 N D 201701.33+171545.9
20170+1716 OSO 123 AD 2015 11 99 21.1 10.61 13.30 K5 N 201701.33+171545.9

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

 
 
WDS 20170+1716 OSO 123 AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20170+1716 OSO 123 AD : MEASURES
 
 
No records found.

 
 
WDS 20170+1716 : VIRTUAL EYEPIECE
 
 

20170+1716 OSO 123A mag 10.61 Sp K5 20170+1716 OSO 123B sep 9.6 P.A. 263.70 mag 18.3 20170+1716 OSO 123C sep 17.9 P.A. 349.20 mag 14.2 20170+1716 OSO 123D sep 20.2 P.A. 98.90 mag 13.3 20170+1716 OSO 123E sep 25.6 P.A. 42.40 mag 18.3 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 20170+1716 : ALADIN DSS IMAGE @ 20h 17m 01.33s +17° 15' 45.9"
 
 
 
 
WDS 20170+1716 OSO 123 AD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20170+1716 OSO 123AD distance=0' 20159+1714 KPP 465 distance=17' 20184+1719 BPM2099 distance=21' 20170+1655 J 3070 distance=21' 20186+1711 BPM2101 distance=24' 20181+1736 HJ 2946 distance=24' 20177+1739 BPMA245 distance=25' 20159+1655 GWP2932 distance=27' 20164+1745 J 1109AB distance=31' 20164+1745 J 1109AC distance=31' 20192+1723 J 1247 distance=31' 20174+1643 LDS1039 distance=34' 20193+1705 BPM2109 distance=34' 20171+1641 BPM2087 distance=36' 20188+1751 J 3314 distance=40' 20191+1647 BPM2105 distance=42' 20177+1755 J 1340 distance=43' 20199+1733 HJ 2950 distance=47' 20170+1805 J 2307 distance=48' 20143+1648 BPM2070 distance=49' 20192+1753 BPM2106 distance=49' 20202+1734 BPM2116 distance=50' 20158+1628 BPM2080 distance=51' 20202+1644 SKF2134 distance=55' 20131+1713 BPM2062 distance=57' 20139+1751 BPM2067 distance=57' 20153+1807 BPM2079 distance=58' 20149+1808 BPM2075 distance=61' 20163+1615 CHE 260 distance=61' 20146+1809 J 3064BC distance=64' 20146+1809 J 3064AB distance=65' 20215+1721 KPP1798 distance=65' 20160+1819 BPMA243 distance=65' 20204+1633 KPP 866 distance=65' 20193+1619 BPM2108 distance=66' 20205+1634 HU 360AB distance=66' 20205+1634 HU 360AC distance=66' 20182+1820 HU 357 distance=67' 20159+1822 J 2602 distance=68' 20148+1616 CHE 237 distance=68' 20139+1806 BPMA242 distance=68' 20122+1712 BPM2054 distance=70' 20166+1606 CHE 263 distance=70' 20218+1729 BPM2128 distance=71' 20123+1650 BPM2056 distance=72' 20181+1605 BKO 561 distance=73' 20171+1604 CHE 270 distance=73' 20166+1603 CHE 264 distance=73' 20182+1604 CHE 291 distance=74' 20165+1602 BKO 558 distance=75' 20144+1611 CHE 227 distance=75' 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 20170+1716 OSO 123 AB 264 10.0
Show 20170+1716 OSO 123 AC 349 17.9
Show 20170+1716 OSO 123 AD 99 21.1
Show 20170+1716 OSO 123 AE 44 26.2
Show 20159+1714 KPP 465 12 3.7 17
Show 20184+1719 BPM2099 127 114.8 21
Show 20170+1655 J 3070 5.5 21
Show 20186+1711 BPM2101 265 58.6 24
Show 20181+1736 HJ 2946 237 13.9 24
Show 20177+1739 BPMA245 202 257.4 25
Show 20159+1655 GWP2932 14 15.0 27
Show 20164+1745 J 1109 AB 331 6.4 31
Show 20164+1745 J 1109 AC 9 8.4 31
Show 20192+1723 J 1247 155 3.1 31
Show 20174+1643 LDS1039 207 126.8 34
Show 20193+1705 BPM2109 198 100.7 34
Show 20171+1641 BPM2087 45 37.0 36
Show 20188+1751 J 3314 70 3.4 40
Show 20191+1647 BPM2105 289 86.8 42
Show 20177+1755 J 1340 312 1.8 43
Show 20199+1733 HJ 2950 282 14.6 47
Show 20170+1805 J 2307 117 6.1 48
Show 20143+1648 BPM2070 296 119.8 49
Show 20192+1753 BPM2106 39 22.5 49
Show 20202+1734 BPM2116 71 70.5 50
Show 20158+1628 BPM2080 65 82.7 51
Show 20202+1644 SKF2134 231 66.3 55
Show 20131+1713 BPM2062 122 118.9 57
Show 20139+1751 BPM2067 214 113.1 57
Show 20153+1807 BPM2079 251 47.7 58
Show 20149+1808 BPM2075 80 115.1 61
Show 20163+1615 CHE 260 201 27.4 61
Show 20146+1809 J 3064 BC 220 4.4 64
Show 20146+1809 J 3064 AB 192 28.8 65
Show 20215+1721 KPP1798 235 13.9 65
Show 20160+1819 BPMA243 320 256.2 65
Show 20204+1633 KPP 866 348 7.3 65
Show 20193+1619 BPM2108 293 105.0 66
Show 20205+1634 HU 360 AB 3 0.1 66
Show 20205+1634 HU 360 AC 348 7.3 66
Show 20182+1820 HU 357 195 1.8 67
Show 20159+1822 J 2602 348 2.8 68
Show 20148+1616 CHE 237 219 21.8 68
Show 20139+1806 BPMA242 194 288.2 68
Show 20122+1712 BPM2054 267 31.2 70
Show 20166+1606 CHE 263 140 4.0 70
Show 20218+1729 BPM2128 283 75.4 71
Show 20123+1650 BPM2056 137 25.4 72
Show 20181+1605 BKO 561 91 5.8 73
Show 20171+1604 CHE 270 103 16.1 73
Show 20166+1603 CHE 264 35 28.3 73

 
 
WDS 20170+1716 : COMPONENTS
 
 
  A B C D
B pa=263.7°
sep=9.55"
 
C pa=349.2°
sep=17.88"
pa=18.3°
sep=19.60"
 
D pa=98.9°
sep=20.20"
pa=94.0°
sep=29.53"
pa=131.6°
sep=31.17"
 
E pa=42.4°
sep=25.61"
pa=53.3°
sep=33.38"
pa=86.3°
sep=20.66"
pa=353.0°
sep=22.20"
 
 
20170+1716 A
 
 
Coord arcsec 2000 201701.33+171545.9 Mag 10.61 Spectral class K5 (yellow-orange) PmRA -201.00
PmDE -208.0 Tycho2 1635-00284-1 HD 351944
Tycho2
Tycho2 1635-00284-1 Pflag RAmdeg 304.25558780 DEmdeg 17.26276220
PmRA -163.4 PmDE -210.6 E RAmdeg 42 E DEmdeg 42
E pmRA 1.1 E pmDE 1.1 EpRAm 1972.02 EpDEm 1969.82
Num 6 Q RAmdeg 1.8 Q DEmdeg 1.9 Q pmRA 1.8
Q pmDE 1.8 BTmag 11.640 E BTmag 0.088 VTmag 10.612
E VTmag 0.059 Prox 999 TYC T HIP
CCDM RAdeg 304.25598944 DEdeg 17.26326250 EpRA 1990 1.54
EpDE 1990 1.46 E RAdeg 46.5 E DEdeg 48.3 Posflg
Corr 0.0
 
 
20170+1716 B
 
 
Coord arcsec 2000 201700.67+171544.9 Mag 18.3 Calc delta mag 7.69 Calc coord yes
 
 
20170+1716 C
 
 
Coord arcsec 2000 201701.10+171603.5 Mag 14.2 Calc delta mag 3.59 Calc coord yes
 
 
20170+1716 D
 
 
Coord arcsec 2000 201702.72+171542.8 Mag 13.3 PmRA -2.00 PmDE 0.0
Calc delta mag 2.69 Calc coord yes
 
 
20170+1716 E
 
 
Coord arcsec 2000 201702.53+171604.8 Mag 18.3 Calc delta mag 7.69 Calc coord yes