Exposure
ID
GRAVI.2025-05-24T07:51:02.928_1
Header ID
GRAVI.2025-05-24T07:51:02.928
Date updated
2025-05-24 08:06:00 UTC+0000
Release date
2026-05-24 08:05:59 UTC+0000
UTC Start
2025-05-24 07:51:02.928
UTC End
2025-05-24 07:57:42.928
MJD Start
60819.32711722
MJD End
60819.331746849624
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0034785
Ambient temperature (°C)
12.35
Seeing (arcsec)
0.775
Observation
ID
67561
Category
science
Program ID
115.285N.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 / MAHY / ESCORZA
Target
ID
50250
Name
Herschel36
RA
270.918013
DEC
-24.37858
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 65.5300 64.9790 279.4000 280.2000
K0-D0 92.3050 91.5620 258.0000 258.6000
K0-J3 56.1780 56.1190 341.4090 342.3070
G2-D0 39.3920 39.2620 220.6000 221.1000
G2-J3 63.2190 62.9430 47.6820 48.1720
D0-J3 102.4250 102.0200 44.9570 45.4480
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285N.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60819.32711722
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME NAME Her 36SE
HIERARCH ESO INS SOBJ NAME Herschel36
RA 270.918013
DEC -24.37858
HIERARCH ESO INS SPEC RES HIGH
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 65.53
HIERARCH ESO ISS PBL12 END 64.979
HIERARCH ESO ISS PBLA12 START 279.4
HIERARCH ESO ISS PBLA12 END 280.2
HIERARCH ESO ISS PBL13 START 92.305
HIERARCH ESO ISS PBL13 END 91.562
HIERARCH ESO ISS PBLA13 START 258.0
HIERARCH ESO ISS PBLA13 END 258.6
HIERARCH ESO ISS PBL14 START 56.178
HIERARCH ESO ISS PBL14 END 56.119
HIERARCH ESO ISS PBLA14 START 341.409
HIERARCH ESO ISS PBLA14 END 342.307
HIERARCH ESO ISS PBL23 START 39.392
HIERARCH ESO ISS PBL23 END 39.262
HIERARCH ESO ISS PBLA23 START 220.6
HIERARCH ESO ISS PBLA23 END 221.1
HIERARCH ESO ISS PBL24 START 63.219
HIERARCH ESO ISS PBL24 END 62.943
HIERARCH ESO ISS PBLA24 START 47.682
HIERARCH ESO ISS PBLA24 END 48.172
HIERARCH ESO ISS PBL34 START 102.425
HIERARCH ESO ISS PBL34 END 102.02
HIERARCH ESO ISS PBLA34 START 44.957
HIERARCH ESO ISS PBLA34 END 45.448
HIERARCH ESO ISS AMBI TAU0 START 0.00349
HIERARCH ESO ISS AMBI TAU0 END 0.003467
HIERARCH ESO ISS AMBI TEMP 12.35
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.79