Exposure
ID
GRAVI.2025-05-19T09:02:39.751_1
Header ID
GRAVI.2025-05-19T09:02:39.751
Date updated
2025-05-19 09:11:01 UTC+0000
Release date
2025-05-19 09:02:39 UTC+0000
UTC Start
2025-05-19 09:02:39.751
UTC End
2025-05-19 09:05:51.751
MJD Start
60814.37684897
MJD End
60814.37907119223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.008886
Ambient temperature (°C)
12.32
Seeing (arcsec)
0.505
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 24.9630 24.9540 170.7000 171.3000
A0-D0 23.6150 23.3240 97.2000 97.8000
A0-C1 20.3260 20.2580 148.9370 149.7770
B2-D0 29.0790 28.9210 41.8000 42.0000
B2-C1 9.6890 9.6360 41.8060 41.9690
D0-C1 19.3910 19.2850 221.8700 222.0330
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 60814.37684897
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 24.963
HIERARCH ESO ISS PBL12 END 24.954
HIERARCH ESO ISS PBLA12 START 170.7
HIERARCH ESO ISS PBLA12 END 171.3
HIERARCH ESO ISS PBL13 START 23.615
HIERARCH ESO ISS PBL13 END 23.324
HIERARCH ESO ISS PBLA13 START 97.2
HIERARCH ESO ISS PBLA13 END 97.8
HIERARCH ESO ISS PBL14 START 20.326
HIERARCH ESO ISS PBL14 END 20.258
HIERARCH ESO ISS PBLA14 START 148.937
HIERARCH ESO ISS PBLA14 END 149.777
HIERARCH ESO ISS PBL23 START 29.079
HIERARCH ESO ISS PBL23 END 28.921
HIERARCH ESO ISS PBLA23 START 41.8
HIERARCH ESO ISS PBLA23 END 42.0
HIERARCH ESO ISS PBL24 START 9.689
HIERARCH ESO ISS PBL24 END 9.636
HIERARCH ESO ISS PBLA24 START 41.806
HIERARCH ESO ISS PBLA24 END 41.969
HIERARCH ESO ISS PBL34 START 19.391
HIERARCH ESO ISS PBL34 END 19.285
HIERARCH ESO ISS PBLA34 START 221.87
HIERARCH ESO ISS PBLA34 END 222.033
HIERARCH ESO ISS AMBI TAU0 START 0.009348
HIERARCH ESO ISS AMBI TAU0 END 0.008424
HIERARCH ESO ISS AMBI TEMP 12.32
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.52