Exposure
ID
GRAVI.2025-06-24T05:07:04.155_1
Header ID
GRAVI.2025-06-24T05:07:04.155
Date updated
2025-06-24 05:15:53 UTC+0000
Release date
2025-06-24 05:07:04 UTC+0000
UTC Start
2025-06-24 05:07:04.155
UTC End
2025-06-24 05:10:16.155
MJD Start
60850.21324254
MJD End
60850.21546476222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.004998
Ambient temperature (°C)
11.18
Seeing (arcsec)
0.505
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 25.2490 25.2400 155.4000 156.0000
A0-D0 29.4920 29.3240 83.9000 84.4000
A0-C1 22.0190 21.9650 130.3920 131.0270
B2-D0 32.1550 32.0680 35.8000 36.1000
B2-C1 10.7120 10.6830 35.7860 36.0880
D0-C1 21.4430 21.3860 215.8510 216.1530
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 60850.21324254
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 25.249
HIERARCH ESO ISS PBL12 END 25.24
HIERARCH ESO ISS PBLA12 START 155.4
HIERARCH ESO ISS PBLA12 END 156.0
HIERARCH ESO ISS PBL13 START 29.492
HIERARCH ESO ISS PBL13 END 29.324
HIERARCH ESO ISS PBLA13 START 83.9
HIERARCH ESO ISS PBLA13 END 84.4
HIERARCH ESO ISS PBL14 START 22.019
HIERARCH ESO ISS PBL14 END 21.965
HIERARCH ESO ISS PBLA14 START 130.392
HIERARCH ESO ISS PBLA14 END 131.027
HIERARCH ESO ISS PBL23 START 32.155
HIERARCH ESO ISS PBL23 END 32.068
HIERARCH ESO ISS PBLA23 START 35.8
HIERARCH ESO ISS PBLA23 END 36.1
HIERARCH ESO ISS PBL24 START 10.712
HIERARCH ESO ISS PBL24 END 10.683
HIERARCH ESO ISS PBLA24 START 35.786
HIERARCH ESO ISS PBLA24 END 36.088
HIERARCH ESO ISS PBL34 START 21.443
HIERARCH ESO ISS PBL34 END 21.386
HIERARCH ESO ISS PBLA34 START 215.851
HIERARCH ESO ISS PBLA34 END 216.153
HIERARCH ESO ISS AMBI TAU0 START 0.005395
HIERARCH ESO ISS AMBI TAU0 END 0.004601
HIERARCH ESO ISS AMBI TEMP 11.18
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.53