Exposure
ID
GRAVI.2025-06-24T03:26:36.900_1
Header ID
GRAVI.2025-06-24T03:26:36.900
Date updated
2025-06-24 03:40:55 UTC+0000
Release date
2025-06-24 03:26:36 UTC+0000
UTC Start
2025-06-24 03:26:36.900
UTC End
2025-06-24 03:29:48.900
MJD Start
60850.14348264
MJD End
60850.145704862225
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.004445
Ambient temperature (°C)
11.38
Seeing (arcsec)
0.575
Observation
ID
68225
Category
calibrator
Program ID
115.27VK.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
50708
Name
HD_152636
RA
253.988065
DEC
-33.50683
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.0890 25.1150 141.9000 142.4000
A0-D0 31.9760 31.9560 70.9000 71.4000
A0-C1 22.5580 22.5780 115.4130 115.9020
B2-D0 33.6220 33.5940 26.0000 26.4000
B2-C1 11.2000 11.1900 25.9640 26.3790
D0-C1 22.4220 22.4030 206.0270 206.4430
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60850.14348264
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 152636
HIERARCH ESO INS SOBJ NAME HD_152636
RA 253.988065
DEC -33.50683
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 25.089
HIERARCH ESO ISS PBL12 END 25.115
HIERARCH ESO ISS PBLA12 START 141.9
HIERARCH ESO ISS PBLA12 END 142.4
HIERARCH ESO ISS PBL13 START 31.976
HIERARCH ESO ISS PBL13 END 31.956
HIERARCH ESO ISS PBLA13 START 70.9
HIERARCH ESO ISS PBLA13 END 71.4
HIERARCH ESO ISS PBL14 START 22.558
HIERARCH ESO ISS PBL14 END 22.578
HIERARCH ESO ISS PBLA14 START 115.413
HIERARCH ESO ISS PBLA14 END 115.902
HIERARCH ESO ISS PBL23 START 33.622
HIERARCH ESO ISS PBL23 END 33.594
HIERARCH ESO ISS PBLA23 START 26.0
HIERARCH ESO ISS PBLA23 END 26.4
HIERARCH ESO ISS PBL24 START 11.2
HIERARCH ESO ISS PBL24 END 11.19
HIERARCH ESO ISS PBLA24 START 25.964
HIERARCH ESO ISS PBLA24 END 26.379
HIERARCH ESO ISS PBL34 START 22.422
HIERARCH ESO ISS PBL34 END 22.403
HIERARCH ESO ISS PBLA34 START 206.027
HIERARCH ESO ISS PBLA34 END 206.443
HIERARCH ESO ISS AMBI TAU0 START 0.004012
HIERARCH ESO ISS AMBI TAU0 END 0.004878
HIERARCH ESO ISS AMBI TEMP 11.38
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.55