Exposure
ID
GRAVI.2025-04-06T04:57:08.893_1
Header ID
GRAVI.2025-04-06T04:57:08.893
Date updated
2025-04-06 05:10:45 UTC+0000
Release date
2025-04-06 04:57:08 UTC+0000
UTC Start
2025-04-06 04:57:08.893
UTC End
2025-04-06 05:00:20.893
MJD Start
60771.20635293
MJD End
60771.208575152225
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0032294999999999997
Ambient temperature (°C)
14.32
Seeing (arcsec)
0.5900000000000001
Observation
ID
66034
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
49155
Name
HD_152636
RA
253.988066
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 18.9500 19.1340 124.7000 124.9000
A0-D0 26.6910 26.8120 30.2000 31.2000
A0-C1 14.8660 15.0950 88.1490 88.6810
B2-D0 33.9220 33.9210 356.4000 356.9000
B2-C1 11.3000 11.3000 356.3700 356.8980
D0-C1 22.6220 22.6220 176.4120 176.9410
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 60771.20635293
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 152636
HIERARCH ESO INS SOBJ NAME HD_152636
RA 253.988066
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 18.95
HIERARCH ESO ISS PBL12 END 19.134
HIERARCH ESO ISS PBLA12 START 124.7
HIERARCH ESO ISS PBLA12 END 124.9
HIERARCH ESO ISS PBL13 START 26.691
HIERARCH ESO ISS PBL13 END 26.812
HIERARCH ESO ISS PBLA13 START 30.2
HIERARCH ESO ISS PBLA13 END 31.2
HIERARCH ESO ISS PBL14 START 14.866
HIERARCH ESO ISS PBL14 END 15.095
HIERARCH ESO ISS PBLA14 START 88.149
HIERARCH ESO ISS PBLA14 END 88.681
HIERARCH ESO ISS PBL23 START 33.922
HIERARCH ESO ISS PBL23 END 33.921
HIERARCH ESO ISS PBLA23 START 356.4
HIERARCH ESO ISS PBLA23 END 356.9
HIERARCH ESO ISS PBL24 START 11.3
HIERARCH ESO ISS PBL24 END 11.3
HIERARCH ESO ISS PBLA24 START 356.37
HIERARCH ESO ISS PBLA24 END 356.898
HIERARCH ESO ISS PBL34 START 22.622
HIERARCH ESO ISS PBL34 END 22.622
HIERARCH ESO ISS PBLA34 START 176.412
HIERARCH ESO ISS PBLA34 END 176.941
HIERARCH ESO ISS AMBI TAU0 START 0.00327
HIERARCH ESO ISS AMBI TAU0 END 0.003189
HIERARCH ESO ISS AMBI TEMP 14.32
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.62