Exposure
ID
GRAVI.2025-04-05T05:27:16.228_1
Header ID
GRAVI.2025-04-05T05:27:16.228
Date updated
2025-04-05 05:40:39 UTC+0000
Release date
2025-04-05 05:27:16 UTC+0000
UTC Start
2025-04-05 05:27:16.228
UTC End
2025-04-05 05:30:28.228
MJD Start
60770.22727116
MJD End
60770.22949338223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.008739
Ambient temperature (°C)
14.61
Seeing (arcsec)
0.385
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 20.1990 20.3650 125.8000 126.0000
A0-D0 27.5850 27.7160 36.7000 37.6000
A0-C1 16.4250 16.6330 91.7840 92.2710
B2-D0 33.9190 33.9200 0.2000 0.7000
B2-C1 11.2990 11.2990 0.1500 0.6850
D0-C1 22.6200 22.6200 180.1960 180.7310
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 60770.22727116
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 20.199
HIERARCH ESO ISS PBL12 END 20.365
HIERARCH ESO ISS PBLA12 START 125.8
HIERARCH ESO ISS PBLA12 END 126.0
HIERARCH ESO ISS PBL13 START 27.585
HIERARCH ESO ISS PBL13 END 27.716
HIERARCH ESO ISS PBLA13 START 36.7
HIERARCH ESO ISS PBLA13 END 37.6
HIERARCH ESO ISS PBL14 START 16.425
HIERARCH ESO ISS PBL14 END 16.633
HIERARCH ESO ISS PBLA14 START 91.784
HIERARCH ESO ISS PBLA14 END 92.271
HIERARCH ESO ISS PBL23 START 33.919
HIERARCH ESO ISS PBL23 END 33.92
HIERARCH ESO ISS PBLA23 START 0.2
HIERARCH ESO ISS PBLA23 END 0.7
HIERARCH ESO ISS PBL24 START 11.299
HIERARCH ESO ISS PBL24 END 11.299
HIERARCH ESO ISS PBLA24 START 0.15
HIERARCH ESO ISS PBLA24 END 0.685
HIERARCH ESO ISS PBL34 START 22.62
HIERARCH ESO ISS PBL34 END 22.62
HIERARCH ESO ISS PBLA34 START 180.196
HIERARCH ESO ISS PBLA34 END 180.731
HIERARCH ESO ISS AMBI TAU0 START 0.008812
HIERARCH ESO ISS AMBI TAU0 END 0.008666
HIERARCH ESO ISS AMBI TEMP 14.61
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.38