C.D.S. - SIMBAD4 rel 1.8 - 2024.05.17CEST19:33:01 HD 284844 --------- Object HD 284844 --- Pe* --- OID=@733066 (@@19969,1) --- coobox=4870 Coordinates(ICRS,ep=J2000,eq=2000): 04 45 17.9656203552 +19 12 41.264222580 (Opt ) A [0.0176 0.0088 90] 2020yCat.1350....0G Coordinates(FK4,ep=B1950,eq=1950): 04 42 22.2781848243 +19 07 14.368779251 Coordinates(Gal,ep=J2000,eq=2000): 180.1639238155772 -16.8286124180542 hierarchy counts: #parents=1, #children=0, #siblings=0 Proper motions: -1.053 -1.521 [0.024 0.016 90] A 2020yCat.1350....0G Parallax: 1.6775 [0.0192] A 2020yCat.1350....0G Radial Velocity: -13.9 [4.2] C 2020MNRAS.496..832C Redshift: -0.000046 [0.000014] C 2020MNRAS.496..832C cz: -13.90 [4.20] C 2020MNRAS.496..832C Flux U : 12.560 [~] D 2005BaltA..14..179Z Flux B : 10.69 [0.05] D 2000A&A...355L..27H Flux V : 10.32 [0.05] D 2000A&A...355L..27H Flux G : 10.116250 [0.002769] C 2020yCat.1350....0G Flux J : 9.288 [0.019] C 2003yCat.2246....0C Flux H : 9.189 [0.016] C 2003yCat.2246....0C Flux K : 9.131 [0.016] C 2003yCat.2246....0C Spectral type: A0 E 1995A&AS..110..367N Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (16): Gaia DR3 3410105631029990400 TIC 18442650 Cl* NGC 1647 ZUG 21 2MASS J04451797+1912411 UCAC2 38564096 Cl* NGC 1647 H 48 AG+19 383 BD+18 702 GSC 01275-00906 HD 284844 NGC 1647 55 PPM 120206 TYC 1275-906-1 Cl* NGC 1647 ZSC 55 Gaia DR1 3410105626733338368 Gaia DR2 3410105631029990400 Bibcodes 1850-2024 () (17): 2022A&A...659A..59T 2021MNRAS.503.3279S 2020A&A...633A..99C 2020A&A...640A...1C 2020MNRAS.496..832C 2019AJ....157...78J 2019MNRAS.490.3158C 2018A&A...615A..49C 2018A&A...618A..93C 2015A&A...580A..23P 2011RMxAA..47..185G 2005BaltA..14..179Z 1995A&AS..110..367N 1992AJ....104.1865T 1937AnHar.105..403C 1933LicOB..16..119Z 1915ApJ....42...92H Measures (distance:2 MK:1 PLX:3 PM:3 ROT:1 velocities:1 ): distance:2MK:1PLX:3PM:3ROT:1velocities:1 Notes (0) : ================================================================================