Exposure
ID
GRAVI.2025-04-04T06:23:30.482_1
Header ID
GRAVI.2025-04-04T06:23:30.482
Date updated
2025-04-04 06:35:48 UTC+0000
Release date
2025-04-04 06:23:30 UTC+0000
UTC Start
2025-04-04 06:23:30.482
UTC End
2025-04-04 06:26:42.482
MJD Start
60769.26632502
MJD End
60769.26854724222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0063820000000000005
Ambient temperature (°C)
13.74
Seeing (arcsec)
0.745
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 22.2710 22.3950 128.8000 129.0000
A0-D0 29.4390 29.5640 48.1000 48.8000
A0-C1 19.0650 19.2250 98.2960 98.7330
B2-D0 33.9300 33.9310 7.7000 8.2000
B2-C1 11.3020 11.3030 7.6580 8.1780
D0-C1 22.6270 22.6280 187.7110 188.2320
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 60769.26632502
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 22.271
HIERARCH ESO ISS PBL12 END 22.395
HIERARCH ESO ISS PBLA12 START 128.8
HIERARCH ESO ISS PBLA12 END 129.0
HIERARCH ESO ISS PBL13 START 29.439
HIERARCH ESO ISS PBL13 END 29.564
HIERARCH ESO ISS PBLA13 START 48.1
HIERARCH ESO ISS PBLA13 END 48.8
HIERARCH ESO ISS PBL14 START 19.065
HIERARCH ESO ISS PBL14 END 19.225
HIERARCH ESO ISS PBLA14 START 98.296
HIERARCH ESO ISS PBLA14 END 98.733
HIERARCH ESO ISS PBL23 START 33.93
HIERARCH ESO ISS PBL23 END 33.931
HIERARCH ESO ISS PBLA23 START 7.7
HIERARCH ESO ISS PBLA23 END 8.2
HIERARCH ESO ISS PBL24 START 11.302
HIERARCH ESO ISS PBL24 END 11.303
HIERARCH ESO ISS PBLA24 START 7.658
HIERARCH ESO ISS PBLA24 END 8.178
HIERARCH ESO ISS PBL34 START 22.627
HIERARCH ESO ISS PBL34 END 22.628
HIERARCH ESO ISS PBLA34 START 187.711
HIERARCH ESO ISS PBLA34 END 188.232
HIERARCH ESO ISS AMBI TAU0 START 0.005651
HIERARCH ESO ISS AMBI TAU0 END 0.007113
HIERARCH ESO ISS AMBI TEMP 13.74
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.74