Exposure
ID
GRAVI.2025-04-04T05:11:30.299_1
Header ID
GRAVI.2025-04-04T05:11:30.299
Date updated
2025-04-04 05:21:01 UTC+0000
Release date
2025-04-04 05:11:30 UTC+0000
UTC Start
2025-04-04 05:11:30.299
UTC End
2025-04-04 05:14:42.299
MJD Start
60769.2163229
MJD End
60769.218545122225
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.010236
Ambient temperature (°C)
14.25
Seeing (arcsec)
0.39
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 19.2740 19.4530 125.0000 125.1000
A0-D0 26.9060 27.0300 31.9000 32.8000
A0-C1 15.2680 15.4910 89.0880 89.6070
B2-D0 33.9210 33.9200 357.3000 357.9000
B2-C1 11.3000 11.2990 357.3080 357.8380
D0-C1 22.6210 22.6210 177.3510 177.8820
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 60769.2163229
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 19.274
HIERARCH ESO ISS PBL12 END 19.453
HIERARCH ESO ISS PBLA12 START 125.0
HIERARCH ESO ISS PBLA12 END 125.1
HIERARCH ESO ISS PBL13 START 26.906
HIERARCH ESO ISS PBL13 END 27.03
HIERARCH ESO ISS PBLA13 START 31.9
HIERARCH ESO ISS PBLA13 END 32.8
HIERARCH ESO ISS PBL14 START 15.268
HIERARCH ESO ISS PBL14 END 15.491
HIERARCH ESO ISS PBLA14 START 89.088
HIERARCH ESO ISS PBLA14 END 89.607
HIERARCH ESO ISS PBL23 START 33.921
HIERARCH ESO ISS PBL23 END 33.92
HIERARCH ESO ISS PBLA23 START 357.3
HIERARCH ESO ISS PBLA23 END 357.9
HIERARCH ESO ISS PBL24 START 11.3
HIERARCH ESO ISS PBL24 END 11.299
HIERARCH ESO ISS PBLA24 START 357.308
HIERARCH ESO ISS PBLA24 END 357.838
HIERARCH ESO ISS PBL34 START 22.621
HIERARCH ESO ISS PBL34 END 22.621
HIERARCH ESO ISS PBLA34 START 177.351
HIERARCH ESO ISS PBLA34 END 177.882
HIERARCH ESO ISS AMBI TAU0 START 0.010977
HIERARCH ESO ISS AMBI TAU0 END 0.009495
HIERARCH ESO ISS AMBI TEMP 14.25
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.37