Exposure
ID
GRAVI.2025-05-20T03:19:43.986_1
Header ID
GRAVI.2025-05-20T03:19:43.986
Date updated
2025-05-20 03:35:52 UTC+0000
Release date
2025-05-20 03:19:43 UTC+0000
UTC Start
2025-05-20 03:19:43.986
UTC End
2025-05-20 03:22:55.986
MJD Start
60815.13870354
MJD End
60815.14092576222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.004931
Ambient temperature (°C)
13.68
Seeing (arcsec)
0.69
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 22.1700 22.2980 128.6000 128.8000
A0-D0 29.3400 29.4670 47.5000 48.2000
A0-C1 18.9360 19.1000 97.9460 98.3910
B2-D0 33.9290 33.9300 7.3000 7.8000
B2-C1 11.3020 11.3020 7.2430 7.7720
D0-C1 22.6270 22.6270 187.2960 187.8260
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 60815.13870354
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 22.17
HIERARCH ESO ISS PBL12 END 22.298
HIERARCH ESO ISS PBLA12 START 128.6
HIERARCH ESO ISS PBLA12 END 128.8
HIERARCH ESO ISS PBL13 START 29.34
HIERARCH ESO ISS PBL13 END 29.467
HIERARCH ESO ISS PBLA13 START 47.5
HIERARCH ESO ISS PBLA13 END 48.2
HIERARCH ESO ISS PBL14 START 18.936
HIERARCH ESO ISS PBL14 END 19.1
HIERARCH ESO ISS PBLA14 START 97.946
HIERARCH ESO ISS PBLA14 END 98.391
HIERARCH ESO ISS PBL23 START 33.929
HIERARCH ESO ISS PBL23 END 33.93
HIERARCH ESO ISS PBLA23 START 7.3
HIERARCH ESO ISS PBLA23 END 7.8
HIERARCH ESO ISS PBL24 START 11.302
HIERARCH ESO ISS PBL24 END 11.302
HIERARCH ESO ISS PBLA24 START 7.243
HIERARCH ESO ISS PBLA24 END 7.772
HIERARCH ESO ISS PBL34 START 22.627
HIERARCH ESO ISS PBL34 END 22.627
HIERARCH ESO ISS PBLA34 START 187.296
HIERARCH ESO ISS PBLA34 END 187.826
HIERARCH ESO ISS AMBI TAU0 START 0.005322
HIERARCH ESO ISS AMBI TAU0 END 0.00454
HIERARCH ESO ISS AMBI TEMP 13.68
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.73