02493+1728 TOB 364 AF

02^h 49^m 17.55^s +17° 27' 51.5" P.A. 17.00 sep 17.5 mag 5.32,15.00 Sp B6V dist. 239.23 pc (780.37 l.y.)

Coord 2000	02493+1728	Discov num	TOB 364	Comp	AF	Coord arcsec 2000	02 49 17.55 +17 27 51.5
Date first	1997	Date last	1997	Obs	1
Pa first	17	Pa last	16.6	P.A. Now (θ)	16.6°
Sep first	17.5	Sep last	17.48	Sep. Now (ρ)	17.48"
Mag pri	5.32	Mag sec	15.00	delta mag (ΔM)	9.68	Spectral class	B6V (blue-white)
Pri motion ra	+004	Sec motion ra
Pri motion dec	-011	Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

02493+1728 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		93127	02 49 18 +17 27 52	OCC 9077 Aa,Ab	1993	0	-1	0.0	5.32
Show	Pi Ari	93127	02 49 18 +17 27 52	STF 311 AB	2018	82	118	3.2	5.32	7.95	2.63
Show		93127	02 49 18 +17 27 52	STF 311 AC	2018	48	113	25.5	5.32	10.72	5.40
Show		93127	02 49 18 +17 27 52	ARN 31 AD	2018	12	134	221.7	5.32	10.49	5.17
Show		93127	02 49 18 +17 27 52	TOB 364 AE	1997	1	184	14.2	5.32	14.00	8.68
Show		93127	02 49 18 +17 27 52	TOB 364 AF	1997	1	17	17.5	5.32	15.00	9.68		<===
Show			02 49 18 +17 27 50	STF 311 BC	2017	30	110	23.8	7.95	10.72	2.77

Septuple system
6 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Var name	NSV944 Ari	Constellation	Aries	SAO	93127	HIP	13165
Tycho2	1223-01987-1	Gaia DR2	83369717557815296	HD	17543	HR	836
GC	3378	ADS	2151	BD	BD+16 355	Bayer	Pi Arietis
Bayer name	Pi Ari	Distance	239.23	Distance ly	780.37	Bayer greek	π Ari

WDS 02493+1728 TOB 364 AF : NOTES

discov_num	notes	refcode
STF 311	pi Ari = 42 Ari. A is a spectroscopic and occultation binary.
	AB: H 1 64.	MEv2010

REFERENCES

refcode	metd	author	reference
MEv2010	-	MacEvoy, B.	...................
MEv2010		private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)

DISCOVERER

idgroup	discov	author
1	ARN	Arnold, D.
100	OCC	Taylor, G.E., O'Leary, B., van Fladern, T.C. Bartholdi, P., Owen, F.,
100	OCC	Hubbard, W.B., Smith, B.A., Smith, S.A., Fallon, F.W. Devinney, E.J. & Oliver, J.
105	OCC	Dunham, D.W., Dunham, J.B., Binzel, R.P., Evans, D.S., Freuh, M., Henry, G.W.,
105	OCC	A'Hearn, M.A., Schnurr, R., Betts, R., Haynes, H., Orcutt, R., Bowell, E., et al.
108	OCC	Vasundhara, R., Jayakumar, K., Velu, C., Appakutty, M., Paranjpye, A.,
108	OCC	Kulkarni, H., Nitsure, P., Prabhunne, M. & Shah, K.
115	OCC	Lin, C.-L., Zhang, Z.-W., Chen, W.P., King, S.-K., Lin, H.-C., Bianco, F.B.,
115	OCC	Lehner, M.J., Coehlo, N., Wang, J.-H., Mondal, S., Alcock, C., Axelrod, T., et al.
116	OCC	Herald, D., Boyle, R., Dunham, D., Hirose, T., Maley, P., Timerson, B., Farris,
116	OCC	T., Frappa, E., Lecacheux, J., Hayamizu, T., Kozubal, M., Nolthenius, R., et al.
121	OCC	Loader, B., Asada, Y., Breit, D., Bradshaw, J., Gault, D., Herald, D., Iverson,
121	OCC	E., Ishida, M., Karasaki, H., Kashiwagura, M., Miyashita, K., Messner, S., et al.
124	OCC	Loader, B. Bradshaw, J., Breit, D., Gault, D., George, T., Herald, D., Iverson,
124	OCC	E., Ishida, M., Karasaki, H., Kashiwagura, M., Kenmotsu, K., Lowe, D., et al.
125	OCC	George, T., Timerson, B., Cooke, B., Degenhardt, S., Dunham, D.W., Messner, S.,
125	OCC	Suggs, R., Venable, R. & Warren, W.H.
126	OCC	George, T., Timerson, B., Beard, T., Blank, T., Dantowitz, R., Davis, J.,
126	OCC	di Cicco, D., Dunham, D.W., Hill, M., Sliski, A. & Sumner, R.
127	OCC	Bulder, H., Loader, B., Herald, D., Messner, S., Ling, A., Raab, H.,
127	OCC	Culbertson, B., Black, S., Ishida, M., Ohno, T., & Miyashita, K.
128	OCC	George, T., Timerson, B., Degenhardt, S., Bracken, C., Cadmus, R., Carcich, A.,
128	OCC	Centala, J., Modic, R., & Slauson, D.
129	OCC	Loader, B., Asada, Y., Bradshaw, J., Breit, D., Fuertes, J., Gault, D., George,T.,
129	OCC	Graham, P., Herald, D., Holenstein, B., Iverson, E., Ishida, M., et al.
130	OCC	George, T., Timerson, B., Brooks, J., Conrad, S., Dunham, J.B., Dunham, D.W.,
130	OCC	Jones,R., Lipka, T.R., Thomas, W., Warren, W.J., Jr., Wasson, R. & Wisniewski, J.
147	OCC	Loader, B., Bradshaw, J., Breit, D., Edens, E., Forbes, M., Gault, D., George, T.,
147	OCC	Haymes, T., Herald, D., Holenstein, B., Ito, T., Iverson, E., et al.
148	OCC	Soma, M., Hayamizu, T., Ishida, M., Owada, M., Ida, M., Aikawa, R., Hashimoto, A.,
148	OCC	Horaguchi, T., Kitazaki, K., Uchiyama, S., Uehara, S., Yaeza, A., et al.
149	OCC	Loader, B., Asai, A., Bardecker, J., Bradshaw, J., Breit, D., Buettner, D.,
149	OCC	Chad, C., Denyer, P., Edens, E., Forbes, M., Gault, D., George, T., et al.
152	OCC	Loader, B., Anderson, P., Asai, A., Bradshaw, J., Breit, D., Forbes, M.,
152	OCC	Gault, D., George, T., Haymes, T., Herald, D., Ishida, M., Kerr, S., et al.
155	OCC	Timerson, B., George, T., Bean, J., Blank, T., Bardecker, J., Dunham, D., Dunham,
155	OCC	J., Gimple, B., Maley, P., Anthony, S., Wiesenborn, C., Hunt, T., Sumner, R. &
155	OCC	Thomas, W.
156	OCC	Hirose, T., Ida, M., Yamamura, H., Uchiyama, S., Hashimoto, A., Aikawa, R.,
156	OCC	Terakubo, K., Sato, M. & Shima, K.
157	OCC	Loader, B., Asada, Y., Asai, A., Bardecker, J., Bourgeois, J., Bradshaw, J., Chad,
157	OCC	C., Ellington, C., Gault, D., Giacchini, B., Haymes, T., Herald, D., Ishida, M.,
157	OCC	Iverson, E., Kerr, S., Manek, J., McKay, G., Messner, S., Pratt, A., Sandy, R.,
157	OCC	Watanabe, H., Yamamura, H. & Yoshida, H.
160	OCC	Perello, C., Frappa, E., Janik, T., Kattentidt, B., Polak, J., Rottenborn, M. &
160	OCC	Selva, A.
165	OCC	Gault, D., Barry, T., Nosworthy, P., Hanna, W., Messner, S., Oesper, D., Dunford,
165	OCC	R., Trank, R., Preston, S. & Herald, D.
170	OCC	Frappa, E., Zeleny, P., Baruffetti, P., Bendjeddou, A., Bigi, M., Bouazara, O.,
170	OCC	Gacem, A., Khenifer, H.M., Mokhtari, L., Nosal, P., Rayane, H., Selimi, T.E.M.,
170	OCC	Sposetti, S. & Aissa, D.B.
171	OCC	Hayamizu, T., Soma, M., Watanabe, Hi., Asai, A., Watanable, Ha., Akira, A.,
171	OCC	Ida, M., Uchiyama, S., Nagata, T., Yamamura, H., Owada, M. & Yamashita, M.
178	STF	Struve, F.G.W.
211	TOB	Tobal, T.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
02493+1728	TOB 364	AF	1997	1	17	17.5	5.32	15.00			024917.55+172751.5

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WDS 02493+1728 TOB 364 AF : VISUAL OBSERVATIONS REPORTS

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WDS 02493+1728 TOB 364 AF : MEASURES

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WDS 02493+1728 : VIRTUAL EYEPIECE

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WDS 02493+1728 : ALADIN DSS IMAGE @

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

Error -22130
Not valid ID.

Error -22130
Not valid ID.
Error -27220
Not valid ID.