Exposure
ID
GRAVI.2025-03-31T23:55:38.725_1
Header ID
GRAVI.2025-03-31T23:55:38.725
Date updated
2025-04-01 00:11:03 UTC+0000
Release date
2026-04-01 00:11:03 UTC+0000
UTC Start
2025-03-31 23:55:38.725
UTC End
2025-04-01 00:02:18.725
MJD Start
60765.99697598
MJD End
60766.00160560963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0081455
Ambient temperature (°C)
14.07
Seeing (arcsec)
0.52
Observation
ID
65987
Category
science
Program ID
115.285N.004
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 / MAHY / ESCORZA
Target
ID
49123
Name
HH_Car
RA
163.402724
DEC
-59.45494
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 63.2600 63.5630 230.0000 231.7000
K0-D0 95.1030 95.2150 214.8000 216.4000
K0-J3 38.6060 39.1430 301.2080 302.2180
G2-D0 37.8320 37.7990 188.9000 190.1000
G2-J3 62.6270 62.5650 14.2400 15.5260
D0-J3 100.3580 100.2600 12.2440 13.4980
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285N.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60765.99697598
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V HH Car
HIERARCH ESO INS SOBJ NAME HH_Car
RA 163.402724
DEC -59.45494
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 63.26
HIERARCH ESO ISS PBL12 END 63.563
HIERARCH ESO ISS PBLA12 START 230.0
HIERARCH ESO ISS PBLA12 END 231.7
HIERARCH ESO ISS PBL13 START 95.103
HIERARCH ESO ISS PBL13 END 95.215
HIERARCH ESO ISS PBLA13 START 214.8
HIERARCH ESO ISS PBLA13 END 216.4
HIERARCH ESO ISS PBL14 START 38.606
HIERARCH ESO ISS PBL14 END 39.143
HIERARCH ESO ISS PBLA14 START 301.208
HIERARCH ESO ISS PBLA14 END 302.218
HIERARCH ESO ISS PBL23 START 37.832
HIERARCH ESO ISS PBL23 END 37.799
HIERARCH ESO ISS PBLA23 START 188.9
HIERARCH ESO ISS PBLA23 END 190.1
HIERARCH ESO ISS PBL24 START 62.627
HIERARCH ESO ISS PBL24 END 62.565
HIERARCH ESO ISS PBLA24 START 14.24
HIERARCH ESO ISS PBLA24 END 15.526
HIERARCH ESO ISS PBL34 START 100.358
HIERARCH ESO ISS PBL34 END 100.26
HIERARCH ESO ISS PBLA34 START 12.244
HIERARCH ESO ISS PBLA34 END 13.498
HIERARCH ESO ISS AMBI TAU0 START 0.008092
HIERARCH ESO ISS AMBI TAU0 END 0.008199
HIERARCH ESO ISS AMBI TEMP 14.07
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.57