Exposure
ID
GRAVI.2025-05-25T07:04:55.587_1
Header ID
GRAVI.2025-05-25T07:04:55.587
Date updated
2025-05-25 07:21:04 UTC+0000
Release date
2026-05-25 07:21:04 UTC+0000
UTC Start
2025-05-25 07:04:55.587
UTC End
2025-05-25 07:11:35.587
MJD Start
60820.29508781
MJD End
60820.29971743963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0054985
Ambient temperature (°C)
12.69
Seeing (arcsec)
0.515
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 67.8450 67.5920 274.8000 275.5000
K0-D0 95.3500 95.0250 254.1000 254.7000
K0-J3 56.4740 56.4370 336.2550 337.0600
G2-D0 39.8970 39.8460 217.1000 217.7000
G2-J3 64.3050 64.1940 44.2500 44.8660
D0-J3 104.0110 103.8500 41.5190 42.1350
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 60820.29508781
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 67.845
HIERARCH ESO ISS PBL12 END 67.592
HIERARCH ESO ISS PBLA12 START 274.8
HIERARCH ESO ISS PBLA12 END 275.5
HIERARCH ESO ISS PBL13 START 95.35
HIERARCH ESO ISS PBL13 END 95.025
HIERARCH ESO ISS PBLA13 START 254.1
HIERARCH ESO ISS PBLA13 END 254.7
HIERARCH ESO ISS PBL14 START 56.474
HIERARCH ESO ISS PBL14 END 56.437
HIERARCH ESO ISS PBLA14 START 336.255
HIERARCH ESO ISS PBLA14 END 337.06
HIERARCH ESO ISS PBL23 START 39.897
HIERARCH ESO ISS PBL23 END 39.846
HIERARCH ESO ISS PBLA23 START 217.1
HIERARCH ESO ISS PBLA23 END 217.7
HIERARCH ESO ISS PBL24 START 64.305
HIERARCH ESO ISS PBL24 END 64.194
HIERARCH ESO ISS PBLA24 START 44.25
HIERARCH ESO ISS PBLA24 END 44.866
HIERARCH ESO ISS PBL34 START 104.011
HIERARCH ESO ISS PBL34 END 103.85
HIERARCH ESO ISS PBLA34 START 41.519
HIERARCH ESO ISS PBLA34 END 42.135
HIERARCH ESO ISS AMBI TAU0 START 0.005391
HIERARCH ESO ISS AMBI TAU0 END 0.005606
HIERARCH ESO ISS AMBI TEMP 12.69
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.53