17177+0207 BAL 1934

17^h 17^m 45.85^s +02° 07' 05.9" P.A. 235.00 sep 12.6 mag 10.80,10.80 Sp DA+M1e

Coord 2000	17177+0207	Discov num	BAL1934	Comp		Coord arcsec 2000	17 17 45.85 +02 07 05.9
Date first	1909	Date last	2019	Obs	16
Pa first	236	Pa last	234.7	P.A. Now (θ)	234.7°
Sep first	12.4	Sep last	12.628	Sep. Now (ρ)	12.628"
Mag pri	10.80	Mag sec	10.80	delta mag (ΔM)	0	Spectral class	DA+M1e (white dwarf/red)
Pri motion ra	+035	Sec motion ra	+029
Pri motion dec	+008	Sec motion dec	+004
Notes

rPM=0.201 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Ophiuchus

Tycho2

0404-00254-1

Gaia DR2

4387377163804954368

WDS 17177+0207 BAL 1934 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Bal1924	Ma -	Baillaud, R.	1924JO......7..117B
Bal1924		J. Obs. 7, 117, 1924
Bal1925	Ma -	Baillaud, R.	1925JO......8...53B
Bal1925		J. Obs. 8, 53, 1925
Bal1925b	Ma j	Baillaud, R.	1925JO......8...56B
Bal1925b		J. Obs. 8, 56, 1925
Bal1926	Ma -	Baillaud, R.	1926JO......9..129P
Bal1926		J. Obs. 9, 129, 1926
Bal1937A	Ma -	Baillaud, R.	1937AnLei..18....1S
Bal1937A		cited by Strand (Ann. Sterrew. Leiden 18, 1937)
Bal1944	C -	Baillaud, R.	1944AnBes...3...33B
Bal1944	+Pa	Ann. Obs. Besancon New Ser. 3, 33, 1943
Bal1944	+Po

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
17177+0207	BAL1934		2000	4	236	12.7	10.85	11.80		D	171745.85+020705.9
17177+0207	BAL1934		2010	6	234	12.9	10.85	10.79			171745.85+020705.9
17177+0207	BAL1934		2011	7	236	12.7	10.85	10.79	DA		171745.85+020705.9
17177+0207	BAL1934		2015	8	236	12.7	10.85	10.79	DA		171745.85+020705.9
17177+0207	BAL1934		2017	10	236	12.6	10.80	10.80	DA+M1e		171745.85+020705.9
17177+0207	BAL1934		2018	12	236	12.6	10.80	10.80	DA+M1e		171745.85+020705.9
17177+0207	BAL1934		2019	16	235	12.6	10.80	10.80	DA+M1e		171745.85+020705.9

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

WDS 17177+0207 BAL 1934 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17177+0207 BAL 1934 : MEASURES

No records found.

WDS 17177+0207 : VIRTUAL EYEPIECE

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WDS 17177+0207 : ALADIN DSS IMAGE @ 17^h 17^m 45.85^s +02° 07' 05.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17177+0207 BAL 1934 : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		17177+0207	BAL1934		235	12.6
Show		17187+0157	LDS 991	AB	139	13.0	17
Show		17187+0157	LDT 14	Ba,Bb	55	0.5	17
Show		17162+0211	CHR 61		68	0.2	24
Show		17173+0239	BAL1933		60	14.8	34
Show		17168+0133	TDT 296	AB	84	0.8	37
Show		17168+0133	GII 243	Aa,Ab	143	0.2	37
Show		17168+0133	TDT 296	AC	19	3.7	37
Show		17174+0245	SKF1593		110	14.0	39
Show		17162+0131	UC 3312		262	45.7	43
Show		17207+0207	UC 3329		304	32.2	44
Show		17168+0259	A 2239		289	3.4	55
Show		17214+0206	TDT 318		17	0.4	55
Show		17215+0203	BAL1935		26	18.7	57
Show		17165+0113	HJ 854		357	20.7	58
Show		17211+0127	STF2150	AB	214	11.7	62
Show		17211+0127	STF2150	AC	56	160.8	62
Show		17135+0221	UC 3307		185	17.8	66
Show		17166+0325	STF2141	AB	123	39.8	80
Show		17166+0325	SHY 715	AC	61	999.9	80
Show		17230+0157	J 3211		144	4.0	83
Show		17127+0132	CLZ 70		145	22.4	84
Show		17236+0149	J 2505		137	1.6	90
Show		17238+0219	BAL1936		315	3.4	92
Show		17217+0321	BAL2438		128	3.1	94
Show		17217+0322	DAM1250		282	14.8	96
Show		17204+0337	J 3296		258	3.6	98
Show		17214+0042	RST5429		305	1.6	102
Show		17166-0027	A 2984		27	0.7	102
Show		17142-0038	YMG 87		171	0.5	105
Show		17211+0034	CVR 860		78	26.9	106
Show		17244+0242	TDS 865		144	1.1	106
Show		17241+0304	STF2158		77	23.4	111
Show		17174+0358	DOO 65		27	2.8	113
Show		17227+0333	UC 3333		92	7.2	114
Show		17126+0043	UC 3304		68	12.6	115
Show		17110+0302	HDS2426		195	0.9	116
Show		17253+0239	GWP2711		215	33.0	117
Show		17258+0207	CSN 8		269	7.3	120
Show		17246+0311	BAL2439		20	13.5	121
Show		17240-0050	STF2156		36	3.8	121
Show		17210-0014	RST5079	AB	63	1.3	124
Show		17210-0014	GII 245	Aa,Ab	119	0.1	124
Show		17250+0108	RST5431	AB	161	2.7	124
Show		17250+0108	SCA 199	Aa,Ab	159	0.2	124
Show		17191+0412	J 451	AB	252	5.0	126
Show		17191+0412	J 451	AC	143	33.5	126
Show		17192+0411	GRV 950		52	56.6	127
Show		17262+0205	BAL1937		204	12.0	127
Show		17148+0405	BAL2882		264	19.2	127
Show		17165+0413	LDS 989		318	20.1	129

WDS 17177+0207 : COMPONENTS

	A
B	pa=234.7° sep=12.62"

17177+0207 A

Componente originario normalizzato	AB		Coord arcsec 2000	171745.85+020705.9		Mag	10.8		Spectral class	DA (white dwarf)
PmRA	35.00		PmDE	8.0		Tycho2	0404-00254-1

Tycho2

Tycho2	0404-00254-1	Pflag		RAmdeg	259.44102627	DEmdeg	2.11831058
PmRA	33.4	PmDE	6.0	E RAmdeg	28	E DEmdeg	34
E pmRA	1.6	E pmDE	1.6	EpRAm	1987.84	EpDEm	1985.20
Num	4	Q RAmdeg	1.9	Q DEmdeg	0.8	Q pmRA	1.9
Q pmDE	0.8	BTmag	11.388	E BTmag	0.054	VTmag	10.852
E VTmag	0.053	Prox	999	TYC	T	HIP
CCDM		RAdeg	259.44095361	DEdeg	2.11829528	EpRA 1990	1.90
EpDE 1990	1.70	E RAdeg	28.6	E DEdeg	35.9	Posflg
Corr	-0.3

17177+0207 B

Componente originario normalizzato	AB		Coord arcsec 2000	171745.16+020658.6		Mag	10.8		Spectral class	M1e (red)
PmRA	29.00		PmDE	4.0		Calc coord	yes