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Doubles in session


Current system
20246+5527
MLR 588
HD 194719


Nearby doubles
8' : 20248+5534
TDS1071

12' : 20260+5526
STI2527

18' : 20244+5509
TDT2241

20' : 20256+5544
KPP4196

21' : 20257+5508
A 1429

31' : 20264+5500
STI2528

32' : 20281+5513
STI2533

36' : 20209+5511
TDT2197

37' : 20243+5602
TDT2239

38' : 20231+5504
OL 74

41' : 20202+5540
STI2519

41' : 20278+5456
TDT2293

42' : 20247+5446
TDT2247

47' : 20255+5441
HJ 1516AB

47' : 20258+5612
TDT2262

51' : 20252+5437
STI2524

54' : 20184+5524
STF2671AB

54' : 20255+5434
GIC 157

55' : 20185+5542
BU 1260

55' : 20265+5619
BU 433AB

55' : 20189+5503
KPP 932

56' : 20295+5604
KUI 97

57' : 20312+5519
A 1678

58' : 20222+5437
STI2521

59' : 20315+5520
TDS1079

61' : 20194+5607
STF2669AB



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.

20246+5527 MLR 588 (HD 194719)

 
 
20h 24m 38.74s +55° 26' 35.1" P.A. 245.00 sep 0.2 mag 7.89,8.32 Sp A0 dist. 229.36 pc (748.17 l.y.)
 
 
Coord 2000 20246+5527 Discov num MLR 588 Comp Coord arcsec 2000 20 24 38.74 +55 26 35.1
Date first 1980 Date last 2016 Obs 23
Pa first 224 Pa last 245.4 P.A. Now (θ) 245.4°
Sep first 0.2 Sep last 0.242 Sep. Now (ρ) 0.242"
Mag pri 7.89 Mag sec 8.32 delta mag (ΔM) 0.43 Spectral class A0 (white)
Pri motion ra +000 Sec motion ra
Pri motion dec -013 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 194719 Constellation Cygnus SAO 32539 HIP 100667
Tycho2 3941-00172-1 Gaia DR2 2186799198813951232 HD 194719 GC 28415
BD BD+54 2344 Distance 229.36 Distance ly 748.17
 
 
WDS 20246+5527 MLR 588 (HD 194719) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Mlr1938 Ma - Muller, P. 1938JO.....21..113M
Mlr1938 +Mc J. Obs. 21, 113, 1938
Mlr1939 - Muller, P. 1939JO.....22..181M
Mlr1939 J. Obs. 22, 181, 1939 (all data published elsewhere)
Mlr1946a Ma - Muller, P. 1946JO.....29...69M
Mlr1946a +Mc J. Obs. 29, 69, 1946
Mlr1946b Mc - Muller, P. (measure by Danjon, A.) 1946JO.....29...69M
Mlr1946b J. Obs. 29, 69, 1946
Mlr1947 Ma - Muller, P. 1947JO.....30..104M
Mlr1947 +Mc J. Obs. 30, 104, 1947
Mlr1948 Md - Muller, P. 1948AnStr...5....1M
Mlr1948 Ann. Obs. Strasbourg 5, pt. 1, 1948
Mlr1948 (Visual measures with double-image micrometer and 16cm refractor. No dates given
Mlr1948 for measures; default date = decade of publication added.)
Mlr1949a Md - Muller, P. 1949AnStr...5....2M
Mlr1949a Ann. Obs. Strasbourg 5, pt. 2, 1949
Mlr1949a (Visual measures with double-image micrometer and 49cm refractor. No dates given
Mlr1949a for measures; default date = decade of publication added.)
Mlr1949b Mc - Muller, P. 1949JO.....32...77M
Mlr1949b J. Obs. 32, 77, 1949
Mlr1949c orb - Muller, P. 1949JO.....32...34M
Mlr1949c J. Obs. 32, 34, 1949
Mlr1950a Mc - Muller, P. 1950JO.....33...93M
Mlr1950a J. Obs. 33, 93, 1950
Mlr1950b Mc - Muller, P. 1950JO.....33..105M
Mlr1950b J. Obs. 33, 105, 1950
Mlr1951a Mc - Muller, P. 1951JO.....34...81M
Mlr1951a J. Obs. 34, 81, 1951
Mlr1951b Md - Muller, P. 1951AnStr...5....3M
Mlr1951b Ann. Obs. Strasbourg 5, pt. 3, 1951
Mlr1951b (Visual measures with double-image micrometer and 16cm refractor. No dates given
Mlr1951b for measures; default date = decade of publication added.)
Mlr1951c Md - Muller, P. 1951AnStr...5....3M
Mlr1951c Ann. Obs. Strasbourg 5, pt. 3, 1951
Mlr1951c (Visual measures with double-image micrometer on 23 and 60cm refractors at
Mlr1951c Pic-du-Midi. See Mlr1950b. No dates listed; default date = decade of publication.)
Mlr1952a Mc - Muller, P. 1952JO.....35...95M
Mlr1952a J. Obs. 35, 95, 1952
Mlr1952b orb - Muller, P. .
Mlr1952b Bull. Astron. Paris 16, 203-212, 1952
Mlr1952c Md - Muller, P. 1952AnStr...5....4M
Mlr1952c Ann. Obs. Strasbourg 5, pt. 4, 1952
Mlr1952c (Visual measures with double-image micrometer and various filters on 16 and 49 cm
Mlr1952c refractors at Strasbourg and 60cm at Pic-du-Midi. Measures listed as "III" are
Mlr1952c tabulated. Some of these measures are incorporated in earlier MLR lists. No dates
Mlr1952c listed; default date = decade of publication.)
Mlr1952d orb - Muller, P. .
Mlr1952d Bull. Astron. Paris 16, 263-275, 1952
Mlr1952e orb - Muller, P. .
Mlr1952e Bull. Astron. Paris 16, 277-282, 1952
Mlr1952f - Muller, P. 1952POHP....2...49M
Mlr1952f Pub. Obs. Haute Provence 2, #49, 1952
Mlr1952g Md - Muller, P. 1952JO.....35..177M
Mlr1952g +Mc J. Obs. 35, 177, 1952
Mlr1953a - Muller, P. 1953JO.....36..104M
Mlr1953a J. Obs. 36, 104, 1953
Mlr1953b Mc - Muller, P. 1953JO.....36..130M
Mlr1953b J. Obs. 36, 130, 1953
Mlr1954a Mc - Muller, P. 1954AJ.....59..388M
Mlr1954a +orb AJ 59, 388, 1954
Mlr1954b orb - Muller, P. 1954JO.....37...61M
Mlr1954b J. Obs. 37, 61-72, 1954
Mlr1954c Mc - Muller, P. 1954JO.....37..125M
Mlr1954c J. Obs. 37, 125, 1954
Mlr1954d - Muller, P. 1954JO.....37..169M
Mlr1954d J. Obs. 37, 169, 1954
Mlr1955a orb - Muller, P. 1955JO.....38...17M
Mlr1955a J. Obs. 38, 17-26, 1955
Mlr1955b orb - Muller, P. 1955JO.....38...58M
Mlr1955b J. Obs. 38, 58-64, 1955
Mlr1955c Mc - Muller, P. 1955JO.....38..221M
Mlr1955c J. Obs. 38, 221, 1955
Mlr1956a Mc - Muller, P. 1956JO.....39..127M
Mlr1956a J. Obs. 39, 127, 1956
Mlr1956b orb - Muller, P. 1956AnStr...5...29M
Mlr1956b Ann. Obs. Strasbourg 5 pt. 29, 1956
Mlr1956c orb - Muller, P. .
Mlr1956c Bull. Astron. Paris 20, 145, 1956
Mlr1956d Mc - Muller, P. 1956JO.....39..181M
Mlr1956d J. Obs. 39, 183, 1956
Mlr1957a orb - Muller, P. .
Mlr1957a Bull. Astron. Paris 21, 131, 1957
Mlr1957b orb - Muller, P. 1957JO.....40...48M
Mlr1957b J. Obs. 40, 48, 1957
Mlr1957c Mc - Muller, P. 1958JO.....40..157M
Mlr1957c J. Obs. 40, 157, 1957
Mlr1958 Mc - Muller, P. 1958JO.....41..109M
Mlr1958 J. Obs. 41, 109, 1958
Mlr1959 Mc - Muller, P. 1959JO.....42...85M
Mlr1959 J. Obs. 42, 85, 1959
Mlr1963 orb - Muller, P. .
Mlr1963 Bull. Astron. Paris 24, 1, 1963
Mlr1966a Mc - Muller, P. 1966JO.....49..335M
Mlr1966a J. Obs. 49, 335, 1966
Mlr1966b orb - Muller, P. 1966IAUDS..39....1M
Mlr1966b Inf. Circ. 39, 1, 1966
Mlr1970 Ma - Muller, P. 1970A&AS....1..399M
Mlr1970 A&AS 1, 399, 1970
Mlr1973a Ma - Muller, P. .
Mlr1973a +Mc Pub. Obs. Paris, June 1973
Mlr1973b orb - Muller, P. 1973IAUDS..59....1M
Mlr1973b Inf. Circ. 59, 1, 1973
Mlr1973c Ma - Muller, P. 1973IAUDS..60....1M
Mlr1973c Inf. Circ. 60, 1, 1973
Mlr1973d Ma - Muller, P. 1973IAUDS..61R...1M
Mlr1973d Inf. Circ. 61, 1, 1973
Mlr1974b Ma - Muller, P. 1974IAUDS..62....1M
Mlr1974b Inf. Circ. 62, 1, 1974
Mlr1974 orb - Muller, P. 1974A&AS...13...99M
Mlr1974 A&AS 13, 99, 1974
Mlr1975a Ma - Muller, P. 1975IAUDS..64....1M
Mlr1975a Inf. Circ. 64, 1, 1975
Mlr1975b Ma - Muller, P. 1975IAUDS..67....1M
Mlr1975b Inf. Circ. 67, 1, 1975
Mlr1976b Ma - Muller, P. 1976IAUDS..70....1M
Mlr1976b Inf. Circ. 70, 1, 1976
Mlr1976 Mc - Muller, P. 1976A&AS...23..205M
Mlr1976 A&AS 23, 205, 1976
Mlr1978a orb - Muller, P. 1978A&AS...32..173M
Mlr1978a A&AS 32, 173, 1978
Mlr1978b Ma - Muller, P. 1978A&AS...33..275M
Mlr1978b A&AS 33, 275, 1978
Mlr1980a Ma - Muller, P. 1980IAUDS..81....1M
Mlr1980a Inf. Circ. 81, 1, 1980
Mlr1980b Ma - Muller, P. 1980IAUDS..82....1M
Mlr1980b Inf. Circ. 82, 1, 1980
Mlr1981 Ma - Muller, P. 1981IAUDS..85....1M
Mlr1981 Inf. Circ. 85, 1, 1981
Mlr1982 Ma - Muller, P. 1982IAUDS..88....1M
Mlr1982 Inf. Circ. 88, 1, 1982
Mlr1983 Ma - Muller, P. 1983IAUDS..90....1M
Mlr1983 Inf. Circ. 90, 1, 1983
Mlr1984 Ma j Muller, P. 1984A&AS...57..467M
Mlr1984 A&AS 57, 467, 1984
Mlr1986 Ma - Muller, P. 1986IAUDS..98....1M
Mlr1986 Inf. Circ. 98, 1, 1986
Mlr1987A Ma - Muller, P. 1987A&A....70..193C
Mlr1987A cited by Couteau (A&A 70, 193, 1987)
Mlr1990 Ma j Muller, P. 1990A&AS...84..619M
Mlr1990 A&AS 84, 619, 1990
Mlr1991b orb - Muller, P. 1991O&T....28...12M
Mlr1991b Obs. et Travaux 28, 12, 1991
Mlr1991 orb - Muller, P. 1991IAUDS.115....1M
Mlr1991 Inf. Circ. 115, 1, 1991
Mlr1993 Ma j Muller, P. 1993A&AS..102..643M
Mlr1993 A&AS 102, 643, 1993
Mlr1993b - Muller, P. 1993O&T....33....9M
Mlr1993b Obs. et Travaux 33, 9, 1993
Mlr1997 Ma - Muller, P. 1997A&AS..126..273M
Mlr1997 A&AS 126, 273, 1997
Mlr2006 Ma - Muller, P. (article by P. Durand & C. Pinlou) 2006O&T....64...16D
Mlr2006 Obs. et Travaux 64, 16, 2006
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20246+5527 MLR 588 1996 18 241 0.2 7.89 8.32 A0 202438.74+552635.1
20246+5527 MLR 588 2009 19 252 0.3 7.89 8.32 A0 202438.74+552635.1
20246+5527 MLR 588 2010 20 242 0.3 7.89 8.32 A0 D 202438.74+552635.1
20246+5527 MLR 588 2014 22 243 0.2 7.89 8.32 A0 202438.74+552635.1
20246+5527 MLR 588 2016 23 245 0.2 7.89 8.32 A0 202438.74+552635.1

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

 
 
WDS 20246+5527 MLR 588 (HD 194719) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20246+5527 MLR 588 (HD 194719) : MEASURES
 
 
No records found.

 
 
WDS 20246+5527 (HD 194719) : VIRTUAL EYEPIECE
 
 

20246+5527 MLR 588A mag 7.89 Sp A0 20246+5527 MLR 588B sep 0.2 P.A. 231.10 mag 8.32 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 20246+5527 (HD 194719) : ALADIN DSS IMAGE @ 20h 24m 38.74s +55° 26' 35.1"
 
 
 
 
WDS 20246+5527 MLR 588 (HD 194719) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20246+5527 MLR 588 distance=0' 20248+5534 TDS1071 distance=8' 20260+5526 STI2527 distance=12' 20244+5509 TDT2241 distance=18' 20256+5544 KPP4196 distance=20' 20257+5508 A 1429 distance=21' 20264+5500 STI2528 distance=31' 20281+5513 STI2533 distance=32' 20209+5511 TDT2197 distance=36' 20243+5602 TDT2239 distance=37' 20231+5504 OL 74 distance=38' 20202+5540 STI2519 distance=41' 20278+5456 TDT2293 distance=41' 20247+5446 TDT2247 distance=42' 20255+5441 HJ 1516AB distance=47' 20255+5441 HJ 1516AC distance=47' 20258+5612 TDT2262 distance=47' 20252+5437 STI2524 distance=51' 20184+5524 STF2671CD distance=52' 20184+5524 STF2671AB distance=54' 20184+5524 STF2671AC distance=54' 20184+5524 WOR 52AE distance=54' 20255+5434 GIC 157 distance=54' 20185+5542 BU 1260 distance=55' 20265+5619 BU 433AB distance=55' 20265+5619 BU 433AC distance=55' 20189+5503 KPP 932 distance=55' 20295+5604 KUI 97 distance=56' 20312+5519 A 1678 distance=57' 20222+5437 STI2521 distance=58' 20315+5520 TDS1079 distance=59' 20194+5607 STF2669AB distance=61' 20194+5607 BU 1486AC distance=61' 20284+5430 STF2693 distance=66' 20239+5420 HDS2914 distance=67' 20298+5436 STI2536 distance=68' 20306+5439 MLR 589 distance=71' 20300+5621 STI2537 distance=71' 20164+5542 KR 49 distance=72' 20315+5611 HJ 1540AB distance=73' 20315+5611 HJ 1540AC distance=73' 20264+5638 STF2687 distance=74' 20208+5639 STI2520 distance=80' 20155+5546 STI2515 distance=80' 20264+5402 FRK 9 distance=87' 20147+5509 TDT2115 distance=87' 20241+5358 MLR 608 distance=89' 20143+5501 TDT2111 distance=92' 20337+5616 HJ 1545 distance=92' 20301+5407 TDS1077 distance=93' 20140+5557 TOK 5 distance=95' 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 20246+5527 MLR 588 245 0.2
Show 20248+5534 TDS1071 184 0.9 8
Show 20260+5526 STI2527 81 5.2 12
Show 20244+5509 TDT2241 263 1.7 18
Show 20256+5544 KPP4196 114 2.7 20
Show 20257+5508 A 1429 187 0.7 21
Show 20264+5500 STI2528 214 10.1 31
Show 20281+5513 STI2533 198 10.0 32
Show 20209+5511 TDT2197 241 2.0 36
Show 20243+5602 TDT2239 256 1.7 37
Show 20231+5504 OL 74 41 3.9 38
Show 20202+5540 STI2519 119 13.2 41
Show 20278+5456 TDT2293 261 0.8 41
Show 20247+5446 TDT2247 213 0.6 42
Show 20255+5441 HJ 1516 AB 147 47.3 47
Show 20255+5441 HJ 1516 AC 204 50.3 47
Show 20258+5612 TDT2262 95 0.8 47
Show 20252+5437 STI2524 60 14.0 51
Show 20184+5524 STF2671 CD 138 5.3 52
Show 20184+5524 STF2671 AB 337 3.8 54
Show 20184+5524 STF2671 AC 53 87.2 54
Show 20184+5524 WOR 52 AE 54 30.3 54
Show 20255+5434 GIC 157 298 27.6 54
Show 20185+5542 BU 1260 135 0.3 55
Show 20265+5619 BU 433 AB 207 7.6 55
Show 20265+5619 BU 433 AC 241 29.3 55
Show 20189+5503 KPP 932 255 7.7 55
Show 20295+5604 KUI 97 129 0.8 56
Show 20312+5519 A 1678 351 2.4 57
Show 20222+5437 STI2521 123 7.1 58
Show 20315+5520 TDS1079 126 0.9 59
Show 20194+5607 STF2669 AB 259 23.4 61
Show 20194+5607 BU 1486 AC 162 18.4 61
Show 20284+5430 STF2693 12 13.7 66
Show 20239+5420 HDS2914 213 0.2 67
Show 20298+5436 STI2536 91 7.5 68
Show 20306+5439 MLR 589 310 1.6 71
Show 20300+5621 STI2537 343 12.7 71
Show 20164+5542 KR 49 114 1.7 72
Show 20315+5611 HJ 1540 AB 346 22.7 73
Show 20315+5611 HJ 1540 AC 130 40.7 73
Show 20264+5638 STF2687 118 25.1 74
Show 20208+5639 STI2520 162 10.8 80
Show 20155+5546 STI2515 83 13.5 80
Show 20264+5402 FRK 9 238 59.8 87
Show 20147+5509 TDT2115 265 2.2 87
Show 20241+5358 MLR 608 278 1.9 89
Show 20143+5501 TDT2111 154 2.0 92
Show 20337+5616 HJ 1545 180 15.5 92
Show 20301+5407 TDS1077 12 1.0 93
Show 20140+5557 TOK 5 90 0.0 95

 
 
WDS 20246+5527 : COMPONENTS
 
 
  A
B pa=231.1°
sep=0.16"
 
 
20246+5527 A
 
 
Componente originario normalizzato AB Name HD 194719 Coord arcsec 2000 202438.74+552635.1 Mag 7.89
Spectral class A0 (white) PmRA 0.00 PmDE -13.0 SAO 32539
HIP 100667 Tycho2 3941-00172-1 HD 194719 GC 28415
BD BD+54 2344
Tycho2
Tycho2 3941-00172-1 Pflag RAmdeg 306.16142186 DEmdeg 55.44305208
PmRA 2.2 PmDE -18.8 E RAmdeg 4 E DEmdeg 4
E pmRA 1.0 E pmDE 1.1 EpRAm 1991.36 EpDEm 1991.42
Num 13 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.6
Q pmDE 0.7 BTmag 7.384 E BTmag 0.015 VTmag 7.297
E VTmag 0.010 Prox 999 TYC T HIP 100667
CCDM AB RAdeg 306.16141306 DEdeg 55.44309556 EpRA 1990 1.67
EpDE 1990 1.69 E RAdeg 4.0 E DEdeg 4.2 Posflg P
Corr 0.0
SAO
SAO 32539 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 -0.009 Vmag 7.3 SpType A0
Double code Source 70 CatNum 28415 DM BD+54 2344
DMcomp BDsup HD 194719 M HD 0
GC 28415 RA1950rad 5.33802874 DE1950rad 0.96481368 PmRA2000 0.0003
PmDE2000 -0.011
Hipparcos
Catalog H HIP 100667 Proxy H RAhms 20 24 38.74
DEdms +55 26 35.1 Vmag 7.3 VarFlag R Vmag H
RAdeg 306.161 DEdeg 55.4431 AstroRef * Plx 4.62
CCDM 20246+5527 N CCDM M Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 237 Rho 0.229 HD 194719 BD BD+54 2344
CD CP Dm number +54 2344 VIred 0.05
SpType A0 R SpType Coord arcsec 2000 202438.74+552635.1
Hipparcos 2
HIP 100667 Sn 55 So 3 Nc 2
RArad 5.3435247248 DErad 0.9676645807 Plx 4.36 PmRA 2.54
PmDE -20.82 E RArad 0.47 E DErad 0.42 E Plx 0.48
E pmRA 0.53 E pmDE 0.42 Hpmag 7.3265 E Hpmag 0.0009
SHp 0.01 VA 0 BV 0.076 E BV 0.008
VI 0.09
CCDM
Ccdm 20246+5527 RComp Comp A Note1
Note2 Discov num DRAs 2.78 DDEs -24.1
R dRAs 81 Year Theta Rho
Obs 2 Vmag 7.9 Sp PmNote @
PmRA 9 PmDE -3 Dm number +54 2344 Cat1 BD
Name2 +55 1365 Cat2 AGK2/3 HD 194719 M HD
ADS BDS M ADS BDS N IDS * IDS 20221N5507A
HIC 100667
 
 
20246+5527 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202438.73+552635.0 Mag 8.32 Calc delta mag 0.43
Calc coord yes
CCDM
Ccdm 20246+5527 RComp Comp B Note1
Note2 Discov num MLR 588 DRAs DDEs
R dRAs Year 1980 Theta 224 Rho 0.2
Obs 13 Vmag 8.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS * IDS 20221N5507B
HIC 100667