20281+1654 HEI 180

20^h 28^m 05.28^s +16° 53' 44.8" P.A. 166.00 sep 1.1 mag 9.42,11.50 Sp F8

Coord 2000	20281+1654	Discov num	HEI 180	Comp		Coord arcsec 2000	20 28 05.28 +16 53 44.8
Date first	1981	Date last	2016	Obs	6
Pa first	172	Pa last	166.4	P.A. Now (θ)	166.4°
Sep first	1.0	Sep last	1.065	Sep. Now (ρ)	1.065"
Mag pri	9.42	Mag sec	11.50	delta mag (ΔM)	2.08	Spectral class	F8 (yellow-white)
Pri motion ra	+053	Sec motion ra
Pri motion dec	+009	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Delphinus

Tycho2

1636-02053-1

Gaia DR2

1811935071694371840

WDS 20281+1654 HEI 180 : 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
20281+1654	HEI 180		1995	2	169	1.1	9.42	11.50	F8		202805.28+165344.8
20281+1654	HEI 180		2000	3	167	1.1	9.42	11.50	F8		202805.28+165344.8
20281+1654	HEI 180		2016	4	166	1.1	9.42	11.50	F8		202805.28+165344.8

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

WDS 20281+1654 HEI 180 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20281+1654 HEI 180 : MEASURES

No records found.

WDS 20281+1654 : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 20281+1654 : ALADIN DSS IMAGE @ 20^h 28^m 05.28^s +16° 53' 44.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20281+1654 HEI 180 : NEIGHBORHOODS

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		20281+1654	HEI 180		166	1.1
Show		20268+1656	HO 129		163	4.7	19
Show		20284+1713	HJ 2969		170	6.0	20
Show		20267+1646	TVB 314		209	17.2	22
Show		20267+1701	BRT1342		90	5.8	22
Show		20276+1629	GWP2953		29	69.7	26
Show		20280+1624	BPM2170		207	80.4	31
Show		20298+1712	J 510		248	4.9	31
Show		20291+1622	BPM2172		155	50.8	35
Show		20292+1728	BRT2477		155	4.0	37
Show		20269+1727	BPM2164		20	110.5	38
Show		20262+1721	BPM2158		251	115.1	39
Show		20294+1617	BPM2174		211	87.3	42
Show		20311+1648	J 563	BC	215	5.1	43
Show		20311+1648	ROE 14	AB	262	7.0	43
Show		20292+1735	BPMA249		155	287.6	45
Show		20270+1736	BPM2167		207	101.3	45
Show		20307+1718	BPM2178		217	110.0	46
Show		20266+1736	GWP2948		182	22.1	47
Show		20268+1603	GWP2950		44	20.6	55
Show		20263+1743	HJ 2962		103	13.4	55
Show		20269+1747	BPM2163		31	113.7	56
Show		20253+1609	BPM2150		238	101.1	60
Show		20271+1549	BPM2168		55	108.3	67
Show		20243+1617	BPM2144		81	65.0	67
Show		20255+1555	BPM2152		335	107.4	70
Show		20311+1600	BPM2181		57	94.1	70
Show		20278+1805	HJL1103		82	126.5	71
Show		20259+1549	BPM2154		206	93.0	72
Show		20247+1747	BPMA247		40	194.2	73
Show		20332+1659	BPM2185		75	70.1	74
Show		20270+1541	BPM2165		182	62.1	75
Show		20311+1548	A 1675		294	0.1	79
Show		20306+1540	GRV 346		11	66.6	82
Show		20229+1728	BPMA246		219	171.9	82
Show		20338+1704	BPM2188		244	105.7	83
Show		20322+1754	GWP2966		75	121.0	84
Show		20319+1758	BPM2183		115	110.7	85
Show		20340+1659	BPM2190		300	100.0	85
Show		20222+1623	STF2670	BC	77	15.9	90
Show		20222+1623	STF2670	AB	153	30.0	91
Show		20222+1623	ABH 139	AD	143	93.0	91
Show		20222+1623	GUI 31	AC	129	37.0	91
Show		20252+1532	TDT2256		43	0.9	92
Show		20250+1532	TDS1072		161	0.9	94
Show		20219+1622	LEP 169		13	4.6	95
Show		20224+1745	BPM2132		278	95.1	96
Show		20218+1729	BPM2128		283	75.4	97
Show		20348+1644	BPM2196	BC	128	63.7	97
Show		20329+1803	HJ 2977		317	20.1	97
Show		20348+1644	BPM2195	AB	302	71.3	98

WDS 20281+1654 : COMPONENTS

	A
B	pa=167.0° sep=1.06"

20281+1654 A

Componente originario normalizzato	AB		Coord arcsec 2000	202805.28+165344.8		Mag	9.42		Spectral class	F8 (yellow-white)
PmRA	53.00		PmDE	9.0		Tycho2	1636-02053-1

Tycho2

Tycho2	1636-02053-1	Pflag		RAmdeg	307.02201579	DEmdeg	16.89578380
PmRA	60.4	PmDE	3.9	E RAmdeg	15	E DEmdeg	16
E pmRA	1.1	E pmDE	1.0	EpRAm	1988.58	EpDEm	1987.42
Num	8	Q RAmdeg	0.4	Q DEmdeg	1.4	Q pmRA	0.4
Q pmDE	1.4	BTmag	9.978	E BTmag	0.028	VTmag	9.419
E VTmag	0.024	Prox	999	TYC	T	HIP
CCDM		RAdeg	307.02186750	DEdeg	16.89577722	EpRA 1990	1.51
EpDE 1990	1.46	E RAdeg	16.3	E DEdeg	16.8	Posflg
Corr	0.0

20281+1654 B

Componente originario normalizzato	AB		Coord arcsec 2000	202805.30+165343.8		Mag	11.5		Calc delta mag	2.08
Calc coord	yes