07160+1644 DUF 2 AB (HD 55997)

Coord 2000	07160+1644		Discov num	DUF   2		Comp	AB		Coord arcsec 2000	07 15 57.07 +16 44 29.3
Date first	1896		Date last	2015		Obs	17
Pa first	109		Pa last	112.9		P.A. Now (θ)	112.9°
Sep first	41.0		Sep last	41.376		Sep. Now (ρ)	41.376"
Mag pri	9.24		Mag sec	9.34		delta mag (ΔM)	0.1		Spectral class	A5III (white)
Pri motion ra	-010		Sec motion ra	-015
Pri motion dec	+008		Sec motion dec	-006
Notes

rPM=0.92 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		96703	07 15 57 +16 44 29	OCC 500 Aa,Ab	1977	0	-1	0.4	9.80	9.80	0.00
Show	HD 55997	96703	07 15 57 +16 44 29	DUF 2 AB	2015	17	113	41.4	9.24	9.34	0.10		<===

Triple system
2 estimated visually detectable stars in this system

Name	HD 55997		Constellation	Gemini		SAO	96703		Tycho2	1346-00253-1
Gaia DR2	3360417081366415744		HD	55997

No records found.

refcode	metd	author	reference
DUF		Duflot, M. (from Ccd2002 DD list)
OCC1971	O j	Taylor, G.E., O'Leary, B., van Fladern, T.C. Bartholdi, P., Owen, F.,	1971Natur.234..405T
OCC1971		Hubbard, W.B., Smith, B.A., Smith, S.A., Fallon, F.W. Devinney, E.J. & Oliver, J.
OCC1971		Nature 234, 405, 1971 (also summarized in OCC2010)
OCC1972	O j	Hubbard, W.B. & van Flandern, T.C.	1972AJ.....77...65H
OCC1972		AJ 77, 65, 1972
OCC1976	O j	Taylor, G.E., Walker, E.N., Quintanilla, A.R. & Lopez de Coca, M.P.	1976A&A....50..121T
OCC1976		A&A 50, 121, 1976 (also summarized in OCC2010)
OCC1990	O j	Dunham, D.W., Dunham, J.B., Binzel, R.P., Evans, D.S., Freuh, M., Henry, G.W.,	1990AJ.....99.1636D
OCC1990		A'Hearn, M.A., Schnurr, R., Betts, R., Haynes, H., Orcutt, R., Bowell, E., et al.
OCC1990		AJ 99, 1636, 1990 (also summarized in OCC2010)
OCC1993	O j	Sato, I., Soma, M. & Hirose, T.	1993AJ....105.1553S
OCC1993		AJ 105, 1553, 1993 (also summarized in OCC2010)
OCC2001	O -	Vasundhara, R., Jayakumar, K., Velu, C., Appakutty, M., Paranjpye, A.,	2001BASI...29..577V
OCC2001		Kulkarni, H., Nitsure, P., Prabhunne, M. & Shah, K.
OCC2001		Bull. Astr. Soc. India 29, 577, 2001 (also summarized in OCC2010)
OCC2002	O -	Occult. Doubles Cat., D. Dunham, ed.	.
OCC2002		http://www.lunar-occultations.com/iota/iotandx.htm
OCC2008	O j	Ling, A.	2008JRASC.102...15L
OCC2008		JRASC 102, 15, 2008
OCC2009	O u	Herald, D. and Sandy, R.	2009JDSO....5..208H
OCC2009		JDSO 5, 208, 2009
OCC2009b	O j	Lin, C.-L., Zhang, Z.-W., Chen, W.P., King, S.-K., Lin, H.-C., Bianco, F.B.,	2009PASP..121..359L
OCC2009b		Lehner, M.J., Coehlo, N., Wang, J.-H., Mondal, S., Alcock, C., Axelrod, T., et al.
OCC2009b		PASP 121, 359, 2009 (also summarized in OCC2010)
OCC2010	O u	Herald, D., Boyle, R., Dunham, D., Hirose, T., Maley, P., Timerson, B., Farris,	2010JDSO....6...88H
OCC2010		T., Frappa, E., Lecacheux, J., Hayamizu, T., Kozubal, M., Nolthenius, R., et al.
OCC2010		JDSO 6, 88, 2010
OCC2010b	O u	Herald, D., Loader, B. & Parker, S.	2010JDSO....6..150H
OCC2010b		JDSO 6, 150, 2010
OCC2010c	O -	Herald, D., Kashiwagura, M., Loader, B., Messner, S., Sandy, R. & Togashi, H.	2010JDSO....6..152H
OCC2010c		JDSO 6, 152, 2010
OCC2010d	O u	Loader, B., Asada, Y., Breit, D., Bradshaw, J., Gault, D., Herald, D., Iverson,	2010JDSO....6..176L
OCC2010d		E., Ishida, M., Karasaki, H., Kashiwagura, M., Miyashita, K., Messner, S., et al.
OCC2010d		JDSO 6, 176, 2010
OCC2011	O u	George, T., Timerson, B., Coughlin, K. & Fleishman, R.	2011JDSO....7..129G
OCC2011		JDSO 7, 129, 2011
OCC2011b	O u	Loader, B. Bradshaw, J., Breit, D., Gault, D., George, T., Herald, D., Iverson,	2011JDSO....7..159L
OCC2011b		E., Ishida, M., Karasaki, H., Kashiwagura, M., Kenmotsu, K., Lowe, D., et al.
OCC2011b		JDSO 7, 159, 2011
OCC2011c	O u	George, T., Timerson, B., Cooke, B., Degenhardt, S., Dunham, D.W., Messner, S.,	2011JDSO....7..169G
OCC2011c		Suggs, R., Venable, R. & Warren, W.H.
OCC2011c		JDSO 7, 169, 2011
OCC2011d	O -	George, T., Timerson, B., Beard, T., Blank, T., Dantowitz, R., Davis, J.,	2011JDSO....7..175G
OCC2011d		di Cicco, D., Dunham, D.W., Hill, M., Sliski, A. & Sumner, R.
OCC2011d		JDSO 7, 175, 2011
OCC2011e	O j	Bulder, H., Loader, B., Herald, D., Messner, S., Ling, A., Raab, H.,	...................
OCC2011e		Culbertson, B., Black, S., Ishida, M., Ohno, T., & Miyashita, K.
OCC2011e		J. for Occultation Astron., #3, Jul-Sep 2011 (some data also in OCC2008)
OCC2012a	O j	George, T., Timerson, B., Degenhardt, S., Bracken, C., Cadmus, R., Carcich, A.,	2012JDSO....8..306G
OCC2012a		Centala, J., Modic, R., & Slauson, D.
OCC2012a		JDSO 8, 306, 2012
OCC2012b	O u	Loader, B., Asada, Y., Bradshaw, J., Breit, D., Fuertes, J., Gault, D., George,T.,	2012JDSO....8..313L
OCC2012b		Graham, P., Herald, D., Holenstein, B., Iverson, E., Ishida, M., et al.
OCC2012b		JDSO 8, 313, 2012
OCC2013a	O -	George, T., Timerson, B., Brooks, J., Conrad, S., Dunham, J.B., Dunham, D.W.,	2013JDSO....9...88G
OCC2013a		Jones,R., Lipka, T.R., Thomas, W., Warren, W.J., Jr., Wasson, R. & Wisniewski, J.
OCC2013a		JDSO 9, 88, 2013
OCC2013b	O j	Giacchini, B.L., Timerson, B., George, T., Degenhardt, S. & Herald, D.	2013JDSO....9..130G
OCC2013b		JDSO 9, 130, 2013
OCC2013c	O j	Casas, R., Juan, J., Naves, R., Perello, C., Rovira, J., Selva, A. & Schnabel, C.	2013JDSO....9..183C
OCC2013c		JDSO 9, 183, 2013
OCC2013d	O j	Herald, D., Talbot, J., Bradshaw, J., Broughton, J., Hanna, W. & Watson, D.	2013JDSO....9..226H
OCC2013d		JDSO 9, 226, 2013
OCC2013e	O -	Herald, D.	2013JDSO....9..274H
OCC2013e		JDSO 9, 274, 2013
OCC2014a	O -	Loader, B.	2014JDSO...10....2L
OCC2014a		JDSO 10, 2, 2014
OCC2014b	O -	Gault, D.	2014JDSO...10....4G
OCC2014b		JDSO 10, 4, 2014
OCC2014c	O -	Herald, D., Talbot, J., Chad, C., Broughton, J. & Anderson, P.	2014JDSO...10...29H
OCC2014c		JDSO 10, 29, 2014
OCC2014d	O j	Herald, D., Talbot, J. & Kerr, S.	2014JDSO...10..107H
OCC2014d		JDSO 10, 107, 2014
OCC2014e	O u	Loader, B., Bradshaw, J., Breit, D., Edens, E., Forbes, M., Gault, D., George, T.,	2014JDSO...10..150L
OCC2014e		Haymes, T., Herald, D., Holenstein, B., Ito, T., Iverson, E., et al.
OCC2014e		JDSO 10, 150, 2014
OCC2014f	O -	Soma, M., Hayamizu, T., Ishida, M., Owada, M., Ida, M., Aikawa, R., Hashimoto, A.,	2014JDSO...10..240S
OCC2014f		Horaguchi, T., Kitazaki, K., Uchiyama, S., Uehara, S., Yaeza, A., et al.
OCC2014f		JDSO 10, 240, 2014
OCC2016a	O j	Loader, B., Asai, A., Bardecker, J., Bradshaw, J., Breit, D., Buettner, D.,	2016JDSO...12..143L
OCC2016a		Chad, C., Denyer, P., Edens, E., Forbes, M., Gault, D., George, T., et al.
OCC2016a		JDSO 12, 143, 2016
OCC2016b	O -	Gault, D. & Herald, D.	2016JDSO...12..556G
OCC2016b		JDSO 12, 556, 2016
OCC2017a	O j	Loader, B., Anderson, P., Asai, A., Bradshaw, J., Breit, D., Forbes, M.,	2017JDSO...13..585L
OCC2017a		Gault, D., George, T., Haymes, T., Herald, D., Ishida, M., Kerr, S., et al.
OCC2017a		JDSO 13, 585, 2016
OCC2018a	O j	Timerson, B., George, T., Blank, T., Maley, P., Messner, S. & Moore, J.	2018JDSO...14..395T
OCC2018a		JDSO 14, 395, 2018	.
OCC2019a	O j	Timerson, B., George, T., Bean, J., Blank, T., Bardecker, J., Dunham, D., Dunham,	2019JDSO...15..162T
OCC2019a		J., Gimple, B., Maley, P., Anthony, S., Wiesenborn, C., Hunt, T., Sumner, R. &
OCC2019a		Thomas, W.
OCC2019a		JDSO 15, 162, 2019	.
OCC2019b	O j	Hirose, T., Ida, M., Yamamura, H., Uchiyama, S., Hashimoto, A., Aikawa, R.,	2019JDSO...15..268H
OCC2019b		Terakubo, K., Sato, M. & Shima, K.
OCC2019b		JDSO 15, 268, 2019	.
OCC2019c	O j	Loader, B., Asada, Y., Asai, A., Bardecker, J., Bourgeois, J., Bradshaw, J., Chad,	2019JDSO...15..503L
OCC2019c		C., Ellington, C., Gault, D., Giacchini, B., Haymes, T., Herald, D., Ishida, M.,
OCC2019c		Iverson, E., Kerr, S., Manek, J., McKay, G., Messner, S., Pratt, A., Sandy, R.,
OCC2019c		Watanabe, H., Yamamura, H. & Yoshida, H.
OCC2019c		JDSO 15, 503, 2019	.
OCC2019d	O j	Giacchini, B.L., George, T., Spagnotto, J. & Wilberger, A.J.	2019JDSO...15..554G
OCC2019d		JDSO 15, 554, 2019	.
OCC2020a	O -	Perello, C., Frappa, E., Janik, T., Kattentidt, B., Polak, J., Rottenborn, M. &	2020JDSO...16...87P
OCC2020a		Selva, A.
OCC2020a		JDSO 16, 87, 2020
OCC2020b	O	Herald, D.	2020JDSO...16..113H
OCC2020b		JDSO 16, 105, 2020
OCC2020c	O	Bardecker, J. & Messner, S.	2020JDSO...16..405B
OCC2020c		JDSO 16, 405, 2020
OCC2020d	O	Gault, D., Barry, T., Nosworthy, P., Hanna, W., Messner, S., Oesper, D., Dunford,	2020JDSO...16..440G
OCC2020d		R., Trank, R., Preston, S. & Herald, D.
OCC2020d		JDSO 16, 440, 2020
OCC2020e	O	Boutet, M. & Sanchez, J.	2020JDSO...16..483B
OCC2020e		JDSO 16, 483, 2020
OCC2021a	O	Hayamizu, T., Soma, M., Watanabe, Ha., Asai, A., Watanable, Hi. & Nohara, H.	2021JDSO...17..131H
OCC2021a		JDSO 17, 131, 2021
OCC2021b	O	Frappa, E., Zeleny, P., Baruffetti, P., Bendjeddou, A., Bigi, M., Bouazara, O.,	2021JDSO...17..230F
OCC2021b		Gacem, A., Khenifer, H.M., Mokhtari, L., Nosal, P., Rayane, H., Selimi, T.E.M.,
OCC2021b		Sposetti, S. & Aissa, D.B.
OCC2021b		JDSO 17, 230, 2021
OCC2022a	O	Hayamizu, T., Soma, M., Watanabe, Hi., Asai, A., Watanable, Ha., Akira, A.,	2022JDSO...18...61H
OCC2022a		Ida, M., Uchiyama, S., Nagata, T., Yamamura, H., Owada, M. & Yamashita, M.
OCC2022a		JDSO 18, 61, 2022
OCC2022b	O j	Andersson, S.	2022JDSO...18..207A
OCC2022b		JDSO 18, 207, 2022
OCC2022c	O j	Klos, O.	2022JDSO...18..210K
OCC2022c		JDSO 18, 210, 2022
OCC2023a	O j	Bardecker, J.	2023JDSO...19...59B
OCC2023a		JDSO 19, 59, 2023

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
07160+1644	DUF 2	AB	2007	13	113	41.4	9.24	9.34	A5III	D	071557.07+164429.3
07160+1644	DUF 2	AB	2015	15	113	41.4	9.24	9.34	A5III		071557.07+164429.3

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No records found.


No records found.

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

Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

FoV: 30" 1' 5' 15' 30' 1° 2° 4° 5° 8° Limit: 2 3 4 5 10 15 20 25 30 50 100 Primaries only
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Show name coord_2000 discov# comp pa sep dist(') Show 07160+1644 OCC 500 Aa,Ab -1 0.4 1 Show 07160+1644 DUF 2 AB 113 41.4 1 Show 07151+1640 OCC 990 -1 0.1 13 Show 07175+1646 BPM 381 105 19.4 23 Show 07167+1623 BPM 378 279 91.8 24 Show 07181+1632 STF1061 AB 36 9.7 34 Show 07181+1632 OCC 502 Aa,Ab -1 0.0 34 Show 07167+1609 HDS1007 194 0.1 38 Show 07186+1635 OCC 989 -1 0.1 40 Show 07162+1603 BPM 377 49 83.7 42 Show 07132+1656 A 2523 41 0.8 42 Show 07151+1556 TOK 880 9 1.1 51 Show 07134+1610 HDS1003 Aa,Ab 7 2.2 51 Show 07134+1610 H 6 74 AB 18 152.0 51 Show 07134+1610 H 6 74 AC 37 222.7 51 Show 07158+1735 GWP 883 164 6.2 51 Show 07175+1731 OCC 3 -1 0.1 52 Show 07178+1553 BPM 383 266 69.8 58 Show 07118+1659 OCC 503 -1 0.1 62 Show 07143+1546 A 2526 BC,D 298 35.4 63 Show 07143+1546 A 2526 BC 151 0.5 63 Show 07143+1546 STF1047 A,BC 30 24.1 64 Show 07143+1546 FOX 154 AD 333 42.2 64 Show 07124+1724 MMA 27 171 26.7 65 Show 07121+1721 MMA 26 AB 5 26.7 67 Show 07121+1721 MMA 26 AC 328 21.0 67 Show 07157+1537 BPM 376 CD 44 91.6 68 Show 07157+1537 BPM 374 AB 248 96.3 68 Show 07157+1537 BPM 375 AC 80 69.2 68 Show 07138+1746 STF1041 267 25.7 69 Show 07113+1624 LDS3728 340 21.5 71 Show 07210+1644 GWP 898 214 59.3 73 Show 07192+1548 BPM 385 74 113.2 74 Show 07138+1756 A 2525 100 0.9 79 Show 07215+1643 OCC 561 -1 0.0 80 Show 07189+1752 GWP 889 120 14.3 80 Show 07194+1540 BPM 386 334 78.3 82 Show 07205+1736 GWP 895 215 108.1 84 Show 07219+1641 OCC 438 -1 0.2 86 Show 07107+1728 OCC1002 -1 0.0 87 Show 07184+1523 SMA 72 137 15.3 88 Show 07213+1602 BPM 388 44 106.9 88 Show 07202+1539 BPM 387 231 18.5 90 Show 07160+1816 BRT2371 227 3.8 92 Show 07205+1752 OCC 374 -1 0.1 94 Show 07094+1633 OCC 957 -1 0.1 96 Show 07207+1753 OCC 373 -1 0.1 97 Show 07199+1802 KPP 158 19 5.0 97 Show 07098+1603 STJ 18 73 1.3 98 Show 07214+1545 STJ 15 163 1.1 99 Show 07106+1543 J 703 294 10.8 99

	A	Ab
Ab	pa=0.0° sep=0.00"
B	pa=113.8° sep=39.89"	pa=113.8° sep=39.89"

Name	HD 55997		Coord arcsec 2000	071557.07+164429.3		Mag	9.24		Spectral class	A5III (white)
PmRA	-10.00		PmDE	8.0		SAO	96703		Tycho2	1346-00253-1
HD	55997		DM	BD+16 1429

Tycho2	1346-00253-1		Pflag			RAmdeg	108.98780767		DEmdeg	16.74147689
PmRA	-11.2		PmDE	5.4		E RAmdeg	8		E DEmdeg	11
E pmRA	1.0		E pmDE	1.0		EpRAm	1990.82		EpDEm	1989.36
Num	8		Q RAmdeg	1.4		Q DEmdeg	1.2		Q pmRA	1.5
Q pmDE	1.1		BTmag	9.587		E BTmag	0.021		VTmag	9.238
E VTmag	0.017		Prox	414		TYC	T		HIP
CCDM			RAdeg	108.98783333		DEdeg	16.74146361		EpRA 1990	1.89
EpDE 1990	1.79		E RAdeg	8.3		E DEdeg	12.4		Posflg
Corr	-0.1

SAO	96703		DelFlag			RA1950			PmRA1950	-0.0002
DE1950			PmDE1950	-0.001		Vmag	9.1		SpType	F0
Double code			Source	28		CatNum	2728		DM	BD+16 1429
DMcomp	A		BDsup			HD	55997		M HD	1
GC			RA1950rad	1.88963139		DE1950rad	0.29374419		PmRA2000	-0.0002
PmDE2000	0.002

Ccdm	07160+1644		RComp			Comp	A		Note1
Note2			Discov num			DRAs	-2.91		DDEs	29.6
R dRAs	65		Year			Theta			Rho
Obs	2		Vmag	8.6		Sp	F0		PmNote	*
PmRA	-17		PmDE	5		Dm number	+16 1429		Cat1	BD
Name2	+16 749		Cat2	AGK2/3		HD	55997		M HD
ADS BDS			M ADS BDS			N IDS			IDS
HIC

Coord arcsec 2000

071557.07+164429.3

Mag

9.8

Calc coord

yes

Coord arcsec 2000	071559.61+164413.2		Mag	9.34		PmRA	-15.00		PmDE	-6.0
Tycho2	1346-00017-1		HD	55998		Calc delta mag	0.46		Calc coord	yes

Tycho2	1346-00017-1		Pflag			RAmdeg	108.99887380		DEmdeg	16.73704930
PmRA	-17.7		PmDE	-8.5		E RAmdeg	9		E DEmdeg	12
E pmRA	1.0		E pmDE	1.0		EpRAm	1990.91		EpDEm	1988.99
Num	8		Q RAmdeg	1.4		Q DEmdeg	1.2		Q pmRA	1.5
Q pmDE	1.1		BTmag	9.634		E BTmag	0.022		VTmag	9.337
E VTmag	0.019		Prox	414		TYC	T		HIP
CCDM			RAdeg	108.99891556		DEdeg	16.73706917		EpRA 1990	1.89
EpDE 1990	1.79		E RAdeg	9.0		E DEdeg	13.2		Posflg
Corr	-0.1

Ccdm	07160+1644		RComp			Comp	B		Note1
Note2			Discov num	DUF		DRAs	-0.28		DDEs	13.3
R dRAs	65		Year	1982		Theta	113		Rho	41.7
Obs	1		Vmag	8.9		Sp	F0		PmNote	*
PmRA	-28		PmDE	-11		Dm number			Cat1
Name2	+16 748		Cat2	AGK2/3		HD	55998		M HD
ADS BDS			M ADS BDS			N IDS			IDS
HIC