20121+0306 HEI 581

 
 
20h 12m 04.92s +03° 05' 12.3" P.A. 160.00 sep 0.8 mag 10.54,11.11
 
 
Coord 2000 20121+0306 Discov num HEI 581 Comp Coord arcsec 2000 20 12 04.92 +03 05 12.3
Date first 1989 Date last 2016 Obs 5
Pa first 156 Pa last 159.9 P.A. Now (θ) 159.9°
Sep first 0.5 Sep last 0.845 Sep. Now (ρ) 0.845"
Mag pri 10.54 Mag sec 11.11 delta mag (ΔM) 0.57 Spectral class
Pri motion ra +006 Sec motion ra +006
Pri motion dec +002 Sec motion dec +002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquila Tycho2 0499-02021-1 Gaia DR2 4244363102265057664
 
 
WDS 20121+0306 HEI 581 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hei1954 orb - Heintz, W.D. 1954MNRAS.114..600H
Hei1954 MNRAS 114, 600-605, 1954
Hei1956a M+ - Heintz, W.D. 1956MNRAS.116..248H
Hei1956a +orb MNRAS 116, 248, 1956
Hei1956b orb - Heintz, W.D. 1956AN....283..145H
Hei1956b AN 283, 145, 1956
Hei1958 orb - Heintz, W.D. 1958Obs....78...32H
Hei1958 Observatory 78, 32, 1958
Hei1960a orb - Heintz, W.D. 1960VeMun...5...87H
Hei1960a Veroff. Sternw. Munchen 5, 87-114, 1960
Hei1960b Ma - Heintz, W.D. 1960AN....285..249H
Hei1960b +orb AN 285, 249, 1960
Hei1960c orb - Heintz, W.D. 1960AN....285..255H
Hei1960c AN 285, 255, 1960
Hei1961 Ma - Heintz, W.D. 1961JO.....44..158H
Hei1961 J. Obs. 44, 158, 1961
Hei1962 orb - Heintz, W.D. 1962VeMun...5..135H
Hei1962 Veroff. Sternw. Munchen 5, 135-160, 1962
Hei1963a orb - Heintz, W.D. 1963VeMun...5..247H
Hei1963a Veroff. Sternw. Munchen 5, 247-268, 1963
Hei1963b Ma - Heintz, W.D. 1963JO.....46....1H
Hei1963b J. Obs. 46, 1, 1963
Hei1963c orb - Heintz, W.D. 1963ZA.....57..159H
Hei1963c ZfAp 57, 159, 1963
Hei1965a Ma - Heintz, W.D. 1965JO.....48....5H
Hei1965a J. Obs. 48, 5-10, 1965
Hei1965b Po j Heintz, W.D. 1965AN....289..101H
Hei1965b AN 289, 101, 1965
Hei1965c orb - Heintz, W.D. 1965VeMun...7....7H
Hei1965c Veroff. Sternw. Munchen 7, 7-14, 1965
Hei1966 orb - Heintz, W.D. 1966VeMun...7...19H
Hei1966 Veroff. Sternw. Munchen 7, 19-28, 1966
Hei1967a orb - Heintz, W.D. 1967VeMun...7...29H
Hei1967a Veroff. Sternw. Munchen 7, 29-34, 1967
Hei1967b Ma - Heintz, W.D. 1967JO.....50..343H
Hei1967b +orb J. Obs. 50, 343, 1967
Hei1967c orb - Heintz, W.D. 1967AN....289..269H
Hei1967c AN 289, 269, 1967
Hei1967d orb - Heintz, W.D. 1967JO.....50..357H
Hei1967d J. Obs. 50, 357, 1967
Hei1968a orb - Heintz, W.D. 1968AJ.....73..512H
Hei1968a AJ 73, 512, 1968
Hei1968b orb - Heintz, W.D. 1968IAUDS..44....1H
Hei1968b Inf. Circ. 44, 1, 1968
Hei1969a orb - Heintz, W.D. 1969A&A.....1..249H
Hei1969a A&A 1, 249, 1969
Hei1969b orb - Heintz, W.D. 1969A&A.....2..169H
Hei1969b A&A 2, 169, 1969
Hei1969c orb - Heintz, W.D. 1969AJ.....74..768H
Hei1969c AJ 74, 768, 1969
Hei1969d orb - Heintz, W.D. 1969IAUDS..47....1H
Hei1969d Inf. Circ. 47, 1, 1969
Hei1970a Po j Heintz, W.D. 1970AJ.....75..848H
Hei1970a +orb AJ 75, 848, 1970
Hei1970b Ma - Heintz, W.D. 1970A&AS....1..393H
Hei1970b A&AS 1, 393, 1970
Hei1971 orb - Heintz, W.D. 1971AJ.....76..277H
Hei1971 AJ 76, 277, 1971
Hei1972 Po - Heintz, W.D. 1972AJ.....77..160H
Hei1972 +orb AJ 77, 160, 1972
Hei1973a orb - Heintz, W.D. 1973PASP...85..408H
Hei1973a PASP 85, 408, 1973
Hei1973b orb - Heintz, W.D. 1973AJ.....78..208H
Hei1973b AJ 78, 208, 1973
Hei1973c orb - Heintz, W.D. 1973AJ.....78..307H
Hei1973c AJ 78, 307, 1973
Hei1973d orb - Heintz, W.D. 1973IAUDS..60....1H
Hei1973d Inf. Circ. 60, 1, 1973
Hei1974a orb - Heintz, W.D. 1974ApJ...195..411H
Hei1974a ApJ 195, 411, 1974
Hei1974b orb - Heintz, W.D. 1974AJ.....79..397H
Hei1974b AJ 79, 397, 1974
Hei1974c Po j Heintz, W.D. 1974AJ.....79..819H
Hei1974c +orb AJ 79, 819, 1974
Hei1975a Ma - Heintz, W.D. 1975ApJS...29..315H
Hei1975a +Po ApJS 29, 315, 1975
Hei1975b orb - Heintz, W.D. 1975ApJS...29..331H
Hei1975b ApJS 29, 331, 1975
Hei1976 orb - Heintz, W.D. 1976ApJ...208..474H
Hei1976 ApJ 208, 474, 1976
Hei1978a orb - Heintz, W.D. 1978ApJS...37...71H
Hei1978a ApJS 37, 71, 1978
Hei1978b M+ - Heintz, W.D. 1978ApJS...37..343H
Hei1978b +Po ApJS 37, 343, 1978
Hei1978c orb - Heintz, W.D. 1978ApJS...37..515H
Hei1978c ApJS 37, 515, 1978
Hei1978d - Heintz, W.D. 1978ApJ...220..931H
Hei1978d ApJ 220, 931, 1978
Hei1979a orb - Heintz, W.D. 1979PASP...91..356H
Hei1979a PASP 91, 356, 1979
Hei1979b orb - Heintz, W.D. 1979ApJS...41..549H
Hei1979b ApJS 41, 549, 1979
Hei1979c orb - Heintz, W.D. 1979AJ.....84.1223H
Hei1979c AJ 84, 1223, 1979
Hei1979d orb - Heintz, W.D. 1979PASP...91..490H
Hei1979d PASP 91, 490, 1979
Hei1980a Ma j Heintz, W.D. 1980ApJS...44..111H
Hei1980a +Mb ApJS 44, 111, 1980
Hei1980b orb - Heintz, W.D. 1980IAUDS..82....1H
Hei1980b Inf. Circ. 82, 1, 1980
Hei1981a orb - Heintz, W.D. 1981ApJS...45..559H
Hei1981a ApJS 45, 559, 1981
Hei1981b orb - Heintz, W.D. 1981PASP...93...90H
Hei1981b PASP 93, 90, 1981
Hei1981c orb - Heintz, W.D. 1981PASP...93..328H
Hei1981c PASP 93, 328, 1981
Hei1981d orb - Heintz, W.D. 1981IAUDS..83....1H
Hei1981d Inf. Circ. 83, 1, 1981
Hei1981e - Heintz, W.D. 1981ApJS...46..247H
Hei1981e ApJS 46, 247, 1981
Hei1981f orb - Heintz, W.D. 1981IAUDS..84....1H
Hei1981f Inf. Circ. 84, 1, 1981
Hei1981g orb - Heintz, W.D. 1981IAUDS..85....1H
Hei1981g Inf. Circ. 85, 1, 1981
Hei1982a orb - Heintz, W.D. 1982Obs...102...42H
Hei1982a Observatory 102, 42, 1982
Hei1982b orb - Heintz, W.D. 1982IAUDS..86....1H
Hei1982b Inf. Circ. 86, 1, 1982
Hei1982c orb - Heintz, W.D. 1982A&AS...47..569H
Hei1982c A&AS 47, 569, 1982
Hei1982d orb - Heintz, W.D. 1982IAUDS..88....1H
Hei1982d Inf. Circ. 88, 1, 1982
Hei1982e orb - Heintz, W.D. 1982PASP...94..705H
Hei1982e PASP 94, 705, 1982
Hei1983a M+ j Heintz, W.D. 1983ApJS...51..249H
Hei1983a +Po ApJS 51, 249, 1983
Hei1983b orb - Heintz, W.D. 1983IAUDS..89....1H
Hei1983b Inf. Circ. 89, 1, 1983
Hei1983c orb - Heintz, W.D. 1983IAUDS..90....1H
Hei1983c Inf. Circ. 90, 1, 1983
Hei1983d orb - Heintz, W.D. 1983IAUDS..91....1H
Hei1983d Inf. Circ. 91, 1, 1983
Hei1984a orb - Heintz, W.D. 1984AJ.....89.1063H
Hei1984a AJ 89, 1063, 1984
Hei1984b orb - Heintz, W.D. 1984A&AS...56....5H
Hei1984b A&AS 56, 5, 1984
Hei1984c orb - Heintz, W.D. 1984ApJ...284..806H
Hei1984c ApJ 284, 806, 1984
Hei1984d orb - Heintz, W.D. 1984IAUDS..92....1H
Hei1984d Inf. Circ. 92, 1, 1984
Hei1984e orb - Heintz, W.D. 1984IAUDS..93....1H
Hei1984e Inf. Circ. 93, 1, 1984
Hei1984f orb - Heintz, W.D. 1984IAUDS..94....1H
Hei1984f Inf. Circ. 94, 1, 1984
Hei1984g orb - Heintz, W.D. 1984Obs...104...88H
Hei1984g Observatory 104, 88, 1984
Hei1984h orb - Heintz, W.D. 1984PASP...96..439H
Hei1984h PASP 96, 439 1984
Hei1984i Po - Heintz, W.D. & Borgman, E.R. 1984AJ.....89.1068H
Hei1984i AJ 89, 1068, 1984
Hei1985a M+ j Heintz, W.D. 1985ApJS...58..439H
Hei1985a +Po ApJS 58, 439, 1985
Hei1985b orb - Heintz, W.D. 1985IAUDS..95....1H
Hei1985b Inf. Circ. 95, 1, 1985
Hei1985c orb - Heintz, W.D. 1985IAUDS..96....1H
Hei1985c Inf. Circ. 96, 1, 1985
Hei1985d orb - Heintz, W.D. 1985IAUDS..97....1H
Hei1985d Inf. Circ. 97, 1, 1985
Hei1986a orb - Heintz, W.D. 1986A&AS...64....1H
Hei1986a A&AS 64, 1, 1986
Hei1986b orb - Heintz, W.D. 1986A&AS...65..411H
Hei1986b A&AS 65, 411, 1986
Hei1987a M+ j Heintz, W.D. 1987ApJS...65..161H
Hei1987a +Po ApJS 65, 161, 1987
Hei1987b orb - Heintz, W.D. 1987PASP...99.1084H
Hei1987b PASP 99, 1084, 1987
Hei1987c orb - Heintz, W.D. 1987AJ.....94.1077H
Hei1987c AJ 94, 1077, 1987
Hei1988a orb - Heintz, W.D. 1988PASP..100..834H
Hei1988a PASP 100, 834, 1988
Hei1988b orb - Heintz, W.D. 1988PASP..100..839H
Hei1988b PASP 100, 839, 1988
Hei1988c orb - Heintz, W.D. 1988JRASC..82..140H
Hei1988c JRASC 82, 140, 1988
Hei1988d orb - Heintz, W.D. 1988A&AS...72..543H
Hei1988d A&AS 72, 543, 1988
Hei1989a orb - Heintz, W.D. 1989PASP..101..510H
Hei1989a PASP 101, 510, 1989
Hei1989b orb - Heintz, W.D. 1989A&A...217..145H
Hei1989b A&A 217, 145, 1989
Hei1990a orb - Heintz, W.D. 1990Obs...110..131H
Hei1990a Obs 110, 131, 1990
Hei1990b M+ j Heintz, W.D. 1990ApJS...74..275H
Hei1990b +Po ApJS 74, 275, 1990
Hei1990c orb - Heintz, W.D. 1990A&AS...82...65H
Hei1990c A&AS 82, 65, 1990
Hei1990d orb - Heintz, W.D. 1990AJ.....99..420H
Hei1990d AJ 99, 420, 1990
Hei1991 orb - Heintz, W.D. 1991A&AS...90..311H
Hei1991 A&AS 90, 311, 1991
Hei1992a M+ j Heintz, W.D. 1992ApJS...83..351H
Hei1992a +Po ApJS 83, 351, 1992
Hei1992b orb - Heintz, W.D. & Cantor, B. 1992Obs...112..286H
Hei1992b Obs 112, 286, 1992
Hei1993a orb - Heintz, W.D. 1993PASP..105...44H
Hei1993a PASP 105, 44, 1993
Hei1993b orb - Heintz, W.D. & Strom, C. 1993PASP..105..293H
Hei1993b PASP 105, 293, 1993
Hei1993c orb - Heintz, W.D. 1993PASP..105..586H
Hei1993c PASP 105, 586, 1993
Hei1993d orb - Heintz, W.D. 1993A&AS...98..209H
Hei1993d A&AS 98, 209, 1993
Hei1993e orb - Heintz, W.D. 1993AJ....105.1188H
Hei1993e AJ 105, 1188, 1993
Hei1994a orb - Heintz, W.D. 1994AJ....108.2338H
Hei1994a AJ 108, 2338, 1994
Hei1994b orb - Heintz, W.D. & Cantor, B. 1994PASP..106..363H
Hei1994b PASP 106, 363, 1994
Hei1995 Ma j Heintz, W.D. 1995ApJS...99..693H
Hei1995 +Po ApJS 99, 693, 1995
Hei1995 +orb
Hei1996a Ma j Heintz, W.D. 1996ApJS..105..475H
Hei1996a +orb ApJS 105, 475, 1996
Hei1996b orb - Heintz, W.D. 1996AJ....111..408H
Hei1996b AJ 111, 408, 1996
Hei1996c orb - Heintz, W.D. 1996AJ....111..412H
Hei1996c AJ 111, 412, 1996
Hei1997 orb - Heintz, W.D. 1997ApJS..111..335H
Hei1997 ApJS 111, 335, 1997
Hei1998 Ma j Heintz, W.D. 1998ApJS..117..587H
Hei1998 +orb ApJS 117, 587, 1998
Hei2000 Ma - Heintz, W.D. ...................
Hei2000 +orb private communication, 2000
Hei2000 +C
Hei2001 orb - Heintz, W.D. 2001IAUDS.143Q...1H
Hei2001 +C Inf. Circ. 143, 1, 2001
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20121+0306 HEI 581 1994 3 153 0.4 10.54 11.11 201204.92+030512.3
20121+0306 HEI 581 2016 4 160 0.8 10.54 11.11 201204.92+030512.3

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WDS 20121+0306 HEI 581 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20121+0306 HEI 581 : MEASURES
 
 
No records found.

 
 
WDS 20121+0306 : VIRTUAL EYEPIECE
 
 

20121+0306 HEI 581A mag 10.54 20121+0306 HEI 581B sep 0.8 P.A. 159.90 mag 11.11 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 20121+0306 : ALADIN DSS IMAGE @ 20h 12m 04.92s +03° 05' 12.3"
 
 
 
 
WDS 20121+0306 HEI 581 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20121+0306  HEI 581 distance=0' 20122+0255  BAL2019 distance=11' 20128+0318  BAL2529 distance=18' 20132+0256  CRI  26 distance=19' 20121+0246  BAL2018 distance=20' 20117+0335  UC 4117 distance=30' 20112+0237  BAL2017 distance=32' 20104+0330  BAL2527 distance=35' 20119+0348  STF2641 distance=43' 20149+0315  BAL2021 distance=45' 20146+0242  BAL2020 distance=45' 20155+0251  HJ  910AB distance=54' 20155+0251  HJ  910AC distance=54' 20105+0212  UC 4111 distance=58' 20162+0255  GWP2933 distance=63' 20087+0227  UC 4099 distance=63' 20151+0218  BAL1551 distance=66' 20134+0201  BAL1549 distance=67' 20102+0204  HJ 2933 distance=69' 20077+0327  HJ 2930 distance=70' 20169+0306  GWP2935 distance=72' 20117+0146  HJ  906AB distance=81' 20117+0146  HJ  906AC distance=81' 20117+0146  ABH 132AD distance=81' 20117+0146  ABH 132AE distance=81' 20117+0146  ABH 132AF distance=81' 20117+0146  ABH 132AG distance=81' 20117+0146  ABH 132AH distance=81' 20113+0425  J  2300 distance=81' 20103+0149  BAL1545 distance=81' 20065+0305  BAL2015 distance=84' 20152+0155  BAL1552 distance=85' 20106+0428  UC 4113 distance=86' 20166+0405  J  1641 distance=91' 20115+0135  BAL1547 distance=91' 20094+0428  UC 4105 distance=93' 20159+0419  TDT2129 distance=94' 20064+0225  UC 4085 distance=95' 20167+0158  UC  250 distance=97' 20135+0440  J   550 distance=97' 20114+0127  BAL1546 distance=99' 20134+0128  AG  248AB distance=99' 20096+0132  TDT2036 distance=101' 20066+0207  HJ  902 distance=101' 20056+0330  NSN 728 distance=101' 20188+0305  UC 4144 distance=102' 20068+0157  A  2278AB distance=105' 20068+0157  A  2278AC distance=105' 20157+0440  A   386 distance=109' 20167+0429  BAL2964 distance=110' 20090+0127  BAL1544 distance=110' 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 20121+0306 HEI 581 160 0.8
Show 20122+0255 BAL2019 46 6.0 11
Show 20128+0318 BAL2529 36 11.3 18
Show 20132+0256 CRI 26 124 32.5 19
Show 20121+0246 BAL2018 341 17.2 20
Show 20117+0335 UC 4117 298 41.9 30
Show 20112+0237 BAL2017 200 13.2 32
Show 20104+0330 BAL2527 197 6.1 35
Show 20119+0348 STF2641 168 20.7 43
Show 20149+0315 BAL2021 344 4.5 45
Show 20146+0242 BAL2020 159 8.2 45
Show 20155+0251 HJ 910 AB 305 18.3 54
Show 20155+0251 HJ 910 AC 243 36.6 54
Show 20105+0212 UC 4111 272 32.7 58
Show 20162+0255 GWP2933 48 1.3 63
Show 20087+0227 UC 4099 280 61.1 63
Show 20151+0218 BAL1551 40 9.8 66
Show 20134+0201 BAL1549 228 17.1 67
Show 20102+0204 HJ 2933 26 21.7 69
Show 20077+0327 HJ 2930 156 28.3 70
Show 20169+0306 GWP2935 172 46.6 72
Show 20117+0146 HJ 906 AB 156 13.3 81
Show 20117+0146 HJ 906 AC 348 34.7 81
Show 20117+0146 ABH 132 AD 142 60.1 81
Show 20117+0146 ABH 132 AE 132 78.8 81
Show 20117+0146 ABH 132 AF 40 86.7 81
Show 20117+0146 ABH 132 AG 32 62.0 81
Show 20117+0146 ABH 132 AH 235 57.4 81
Show 20113+0425 J 2300 300 4.1 81
Show 20103+0149 BAL1545 345 15.3 81
Show 20065+0305 BAL2015 346 12.4 84
Show 20152+0155 BAL1552 243 4.9 85
Show 20106+0428 UC 4113 45 43.8 86
Show 20166+0405 J 1641 215 7.4 91
Show 20115+0135 BAL1547 46 5.8 91
Show 20094+0428 UC 4105 342 31.1 93
Show 20159+0419 TDT2129 262 2.3 94
Show 20064+0225 UC 4085 155 39.4 95
Show 20167+0158 UC 250 251 25.2 97
Show 20135+0440 J 550 141 4.2 97
Show 20114+0127 BAL1546 95 17.5 99
Show 20134+0128 AG 248 AB 11 3.4 99
Show 20096+0132 TDT2036 76 0.5 101
Show 20066+0207 HJ 902 17 7.1 101
Show 20056+0330 NSN 728 127 8.0 101
Show 20188+0305 UC 4144 347 30.8 102
Show 20068+0157 A 2278 AB 214 0.9 105
Show 20068+0157 A 2278 AC 355 22.5 105
Show 20157+0440 A 386 83 2.8 109
Show 20167+0429 BAL2964 321 10.3 110
Show 20090+0127 BAL1544 143 6.6 110

 
 
WDS 20121+0306 : COMPONENTS
 
 
  A
B pa=159.9°
sep=0.84"
 
 
20121+0306 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 201204.92+030512.3 Mag 10.54 PmRA 6.00
PmDE 2.0 Tycho2 0499-02021-1
Tycho2
Tycho2 0499-02021-1 Pflag P RAmdeg 303.02050792 DEmdeg 3.08674636
PmRA 5.7 PmDE 1.5 E RAmdeg 24 E DEmdeg 28
E pmRA 1.7 E pmDE 1.7 EpRAm 1989.21 EpDEm 1987.72
Num 3 Q RAmdeg 0.3 Q DEmdeg 0.1 Q pmRA 0.3
Q pmDE 0.1 BTmag 10.899 E BTmag 0.043 VTmag 10.544
E VTmag 0.042 Prox 8 TYC T HIP
CCDM RAdeg 303.02048500 DEdeg 3.08679139 EpRA 1990 1.53
EpDE 1990 1.30 E RAdeg 24.0 E DEdeg 28.8 Posflg D
Corr -0.3
 
 
20121+0306 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201204.94+030511.5 Mag 11.11 PmRA 6.00
PmDE 2.0 Tycho2 0499-02021-2 Calc delta mag 0.57 Calc coord yes
Tycho2
Tycho2 0499-02021-2 Pflag P RAmdeg 303.02050792 DEmdeg 3.08674636
PmRA 5.7 PmDE 1.5 E RAmdeg 24 E DEmdeg 28
E pmRA 1.7 E pmDE 1.7 EpRAm 1989.21 EpDEm 1987.72
Num 3 Q RAmdeg 0.3 Q DEmdeg 0.1 Q pmRA 0.3
Q pmDE 0.1 BTmag 11.829 E BTmag 0.079 VTmag 11.112
E VTmag 0.072 Prox 8 TYC T HIP
CCDM RAdeg 303.02053056 DEdeg 3.08656250 EpRA 1990 1.53
EpDE 1990 1.29 E RAdeg 42.8 E DEdeg 51.7 Posflg D
Corr -0.3