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
20441+5043
LEP 171


Nearby doubles
16' : 20457+5040
STT 412AB

21' : 20449+5023
SKF2395

29' : 20422+5020
BU 675AB

35' : 20421+5013
ES 91AB

42' : 20483+5054
ES 998

44' : 20465+5005
HDS2958

45' : 20486+5029
BU 366AB

45' : 20466+5004
HDS2959

52' : 20496+5047
HDS2968

55' : 20457+4951
TDT2521

56' : 20499+5036
CBL 87

59' : 20383+5023
HU 588AB

61' : 20380+5025
DAM 294

64' : 20496+5008
ES 94AB

64' : 20379+5106
ES 88AB

64' : 20376+5028
L 49

66' : 20378+5018
DAM 293

72' : 20367+5053
HLD 39AB

72' : 20472+5148
BU 365

78' : 20418+4929
HEI 910

79' : 20511+5125
BU 155AB

80' : 20434+4923
STJ 111

84' : 20438+4921
HEI 911

84' : 20356+5104
TDT2400

84' : 20487+5155
STF2732

85' : 20429+5206
ES 995



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.

20441+5043 LEP 171

 
 
20h 44m 07.57s +50° 42' 33.1" P.A. 172.00 sep 4.4 mag 17.20,18.30
 
 
Coord 2000 20441+5043 Discov num LEP 171 Comp Coord arcsec 2000 20 44 07.57 +50 42 33.1
Date first 1954 Date last 2016 Obs 8
Pa first 171 Pa last 172.2 P.A. Now (θ) 172.2°
Sep first 4.1 Sep last 4.441 Sep. Now (ρ) 4.441"
Mag pri 17.20 Mag sec 18.30 delta mag (ΔM) 1.1 Spectral class
Pri motion ra -103 Sec motion ra -096
Pri motion dec +122 Sec motion dec +121
Notes V (Proper motion indicates physical)
rPM=0.044 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2168445566614254592
 
 
WDS 20441+5043 LEP 171 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Lep2001 Hs j Lepine, S., Wallace, D., Shara, M., Moffat, A., & Niemela, V. 2001AJ....122.3407L
Lep2001 AJ 122, 3407, 2001
Lep2007 P - Lepine, S. & Bongiorno, B. 2007AJ....133..889L
Lep2007 +Ht AJ 133, 889, 2007
Lep2007 +E2 (data from LSPM catalog for cpm pairs, compiled from Tycho, 2MASS, USNO-B, etc.
Lep2007 and reduced to J2000. Measures only added for new pairs; most of these have been
Lep2007 T-coded as 2MASS astrometry was generated and added to WDS)
Lep2007b A j Lepine, S., Rich, R.M., Shara, M.M., Cruz, K.L., & Skemer, A. 2007ApJ...668..507L
Lep2007b ApJ 668, 507, 2007
Lep2008 Pa - Lepine, S. 2008AJ....135.2177L
Lep2008 AJ 135, 2177, 2008
Lep2009 C - Lepine, S., Thorstensen, J.R., Shara, M.M. & Rich, R.M. 2009AJ....137.4109L
Lep2009 AJ 137, 4109, 2009
Lep2011 - Lepine, S. 2011ASPC..448.1375L
Lep2011 ASP Conf 448, 1375, 2011 (statistical study of CPM pairs, no data)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20441+5043 LEP 171 2016 6 172 4.4 17.20 18.30 V 204407.57+504233.1

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

 
 
WDS 20441+5043 LEP 171 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20441+5043 LEP 171 : MEASURES
 
 
No records found.

 
 
WDS 20441+5043 : VIRTUAL EYEPIECE
 
 

20441+5043 LEP 171A mag 17.2 20441+5043 LEP 171B sep 4.4 P.A. 175.00 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 20441+5043 : ALADIN DSS IMAGE @ 20h 44m 07.57s +50° 42' 33.1"
 
 
 
 
WDS 20441+5043 LEP 171 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20441+5043 LEP 171 distance=1' 20457+5040 STT 412BC distance=15' 20457+5040 STT 412AB distance=16' 20457+5040 STT 412AC distance=16' 20449+5023 SKF2395 distance=21' 20422+5020 BU 675AB distance=29' 20422+5020 BU 675AC distance=29' 20422+5020 BU 675AD distance=29' 20422+5020 BU 675AE distance=29' 20421+5013 ES 91AB distance=35' 20421+5013 ES 91AC distance=35' 20421+5013 ES 91BC distance=35' 20483+5054 ES 998 distance=42' 20465+5005 HDS2958 distance=44' 20486+5029 BU 366AB distance=45' 20486+5029 BU 366AC distance=45' 20466+5004 HDS2959 distance=45' 20486+5029 D 23CD distance=46' 20496+5047 HDS2968 distance=52' 20457+4951 TDT2521 distance=55' 20499+5036 CBL 87 distance=56' 20383+5023 HU 588AB distance=59' 20380+5025 DAM 294 distance=61' 20496+5008 ES 94BC distance=63' 20496+5008 ES 94AB distance=64' 20496+5008 GUI 34AD distance=64' 20379+5106 KPP4397BC distance=64' 20379+5106 KPP4397CD distance=64' 20379+5106 ES 88AB distance=64' 20379+5106 KPP4397AC distance=64' 20376+5028 L 49 distance=64' 20378+5018 DAM 293 distance=66' 20367+5053 HEI 879Aa,Ab distance=72' 20367+5053 HLD 39AB distance=72' 20472+5148 BU 365 distance=72' 20418+4929 HEI 910 distance=78' 20511+5125 BU 155AB distance=79' 20511+5125 BU 155AC distance=79' 20511+5125 BU 155AD distance=79' 20434+4923 STJ 111 distance=80' 20438+4921 HEI 911 distance=84' 20356+5104 TDT2400 distance=84' 20487+5155 STF2732 distance=84' 20429+5206 ES 995 distance=85' 20379+5144 OSO 128AB distance=86' 20379+5144 OSO 128AC distance=86' 20425+4916 ARG 39AB distance=88' 20425+4916 ARG 39AF distance=88' 20425+4916 ARG 39AG distance=88' 20425+4916 ARG 39BC distance=89' 20425+4916 ARG 39BD distance=89' 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 20441+5043 LEP 171 172 4.4 1
Show 20457+5040 STT 412 BC 186 5.0 15
Show 20457+5040 STT 412 AB 279 26.0 16
Show 20457+5040 STT 412 AC 268 26.2 16
Show 20449+5023 SKF2395 204 4.1 21
Show 20422+5020 BU 675 AB 102 3.3 29
Show 20422+5020 BU 675 AC 185 28.8 29
Show 20422+5020 BU 675 AD 329 33.3 29
Show 20422+5020 BU 675 AE 240 72.0 29
Show 20421+5013 ES 91 AB 189 4.6 35
Show 20421+5013 ES 91 AC 235 17.6 35
Show 20421+5013 ES 91 BC 247 14.8 35
Show 20483+5054 ES 998 176 3.2 42
Show 20465+5005 HDS2958 334 0.1 44
Show 20486+5029 BU 366 AB 130 1.5 45
Show 20486+5029 BU 366 AC 105 51.1 45
Show 20466+5004 HDS2959 21 0.5 45
Show 20486+5029 D 23 CD 5 1.7 46
Show 20496+5047 HDS2968 69 0.3 52
Show 20457+4951 TDT2521 236 0.3 55
Show 20499+5036 CBL 87 2 25.0 56
Show 20383+5023 HU 588 AB 245 2.0 59
Show 20380+5025 DAM 294 258 4.1 61
Show 20496+5008 ES 94 BC 79 2.5 63
Show 20496+5008 ES 94 AB 15 102.7 64
Show 20496+5008 GUI 34 AD 58 86.9 64
Show 20379+5106 KPP4397 BC 201 49.0 64
Show 20379+5106 KPP4397 CD 35 2.2 64
Show 20379+5106 ES 88 AB 127 7.8 64
Show 20379+5106 KPP4397 AC 193 51.7 64
Show 20376+5028 L 49 82 4.1 64
Show 20378+5018 DAM 293 286 4.8 66
Show 20367+5053 HEI 879 Aa,Ab 137 0.1 72
Show 20367+5053 HLD 39 AB 174 7.5 72
Show 20472+5148 BU 365 288 17.2 72
Show 20418+4929 HEI 910 201 1.6 78
Show 20511+5125 BU 155 AB 40 0.7 79
Show 20511+5125 BU 155 AC 40 14.8 79
Show 20511+5125 BU 155 AD 48 191.8 79
Show 20434+4923 STJ 111 64 0.9 80
Show 20438+4921 HEI 911 125 2.4 84
Show 20356+5104 TDT2400 43 1.2 84
Show 20487+5155 STF2732 73 4.3 84
Show 20429+5206 ES 995 107 8.6 85
Show 20379+5144 OSO 128 AB 58 8.9 86
Show 20379+5144 OSO 128 AC 157 21.3 86
Show 20425+4916 ARG 39 AB 184 15.4 88
Show 20425+4916 ARG 39 AF 258 34.4 88
Show 20425+4916 ARG 39 AG 341 52.4 88
Show 20425+4916 ARG 39 BC 100 35.4 89
Show 20425+4916 ARG 39 BD 241 21.1 89

 
 
WDS 20441+5043 : COMPONENTS
 
 
  A
B pa=175.0°
sep=4.42"
 
 
20441+5043 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204407.57+504233.1 Mag 17.2 PmRA -103.00
PmDE 122.0
 
 
20441+5043 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204407.61+504228.7 Mag 18.3 PmRA -96.00
PmDE 121.0 Calc delta mag 1.1 Calc coord yes