Exposure
ID
GRAVI.2023-12-18T07:42:57.654_1
Header ID
GRAVI.2023-12-18T07:42:57.654
Date updated
2023-12-18 07:55:52 UTC+0000
Release date
2024-12-18 07:55:52 UTC+0000
UTC Start
2023-12-18 07:42:57.654
UTC End
2023-12-18 07:49:37.654
MJD Start
60296.32150063
MJD End
60296.3261302596
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0053065
Ambient temperature (°C)
15.55
Seeing (arcsec)
0.4
Observation
ID
57997
Category
science
Program ID
112.25PM.001
Program Title
DO TERTIARY COMPANIONS AFFECT THE FORMATION AND EVOLUTION OF MASSIVE OVERCONTACT BINARY SYSTEMS?
Program Type
Normal
PI / COI
ABDUL-MASIH/ FROST/ DE MINK/ TOONEN
Target
ID
42944
Name
HD64315
RA
172.790022
DEC
-65.74226
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 75.6740 76.2590 72.6000 74.4000
A0-J2 123.1800 123.5680 53.6000 55.3000
A0-K0 127.9390 127.9610 38.6610 40.2580
G1-J2 57.2650 57.2010 28.0000 29.5000
G1-K0 77.7130 77.6510 5.6880 6.8520
J2-K0 32.9500 33.2050 324.3630 325.3220
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.25PM.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60296.32150063
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V TU Mus
HIERARCH ESO INS SOBJ NAME HD64315
RA 172.790022
DEC -65.74226
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 75.674
HIERARCH ESO ISS PBL12 END 76.259
HIERARCH ESO ISS PBLA12 START 72.6
HIERARCH ESO ISS PBLA12 END 74.4
HIERARCH ESO ISS PBL13 START 123.18
HIERARCH ESO ISS PBL13 END 123.568
HIERARCH ESO ISS PBLA13 START 53.6
HIERARCH ESO ISS PBLA13 END 55.3
HIERARCH ESO ISS PBL14 START 127.939
HIERARCH ESO ISS PBL14 END 127.961
HIERARCH ESO ISS PBLA14 START 38.661
HIERARCH ESO ISS PBLA14 END 40.258
HIERARCH ESO ISS PBL23 START 57.265
HIERARCH ESO ISS PBL23 END 57.201
HIERARCH ESO ISS PBLA23 START 28.0
HIERARCH ESO ISS PBLA23 END 29.5
HIERARCH ESO ISS PBL24 START 77.713
HIERARCH ESO ISS PBL24 END 77.651
HIERARCH ESO ISS PBLA24 START 5.688
HIERARCH ESO ISS PBLA24 END 6.852
HIERARCH ESO ISS PBL34 START 32.95
HIERARCH ESO ISS PBL34 END 33.205
HIERARCH ESO ISS PBLA34 START 324.363
HIERARCH ESO ISS PBLA34 END 325.322
HIERARCH ESO ISS AMBI TAU0 START 0.004382
HIERARCH ESO ISS AMBI TAU0 END 0.006231
HIERARCH ESO ISS AMBI TEMP 15.55
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.35