Exposure
ID
GRAVI.2025-06-18T05:01:51.040_1
Header ID
GRAVI.2025-06-18T05:01:51.040
Date updated
2025-06-18 05:10:52 UTC+0000
Release date
2026-06-18 05:10:51 UTC+0000
UTC Start
2025-06-18 05:01:51.040
UTC End
2025-06-18 05:04:31.040
MJD Start
60844.20961852
MJD End
60844.211470371854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002489
Ambient temperature (°C)
6.38
Seeing (arcsec)
0.88
Observation
ID
67611
Category
science
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
50282
Name
FR_Sct
RA
275.842687
DEC
-12.68106
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.4850 90.4560 114.5000 114.6000
A0-J2 128.9590 129.0560 91.8000 92.0000
A0-K0 126.7490 126.9510 70.2910 70.4870
G1-J2 57.2780 57.3830 54.3000 54.6000
G1-K0 88.3020 88.4060 24.7370 25.0460
J2-K0 47.7580 47.7340 348.4360 348.7380
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60844.20961852
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V FR Sct
HIERARCH ESO INS SOBJ NAME FR_Sct
RA 275.842687
DEC -12.68106
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 90.485
HIERARCH ESO ISS PBL12 END 90.456
HIERARCH ESO ISS PBLA12 START 114.5
HIERARCH ESO ISS PBLA12 END 114.6
HIERARCH ESO ISS PBL13 START 128.959
HIERARCH ESO ISS PBL13 END 129.056
HIERARCH ESO ISS PBLA13 START 91.8
HIERARCH ESO ISS PBLA13 END 92.0
HIERARCH ESO ISS PBL14 START 126.749
HIERARCH ESO ISS PBL14 END 126.951
HIERARCH ESO ISS PBLA14 START 70.291
HIERARCH ESO ISS PBLA14 END 70.487
HIERARCH ESO ISS PBL23 START 57.278
HIERARCH ESO ISS PBL23 END 57.383
HIERARCH ESO ISS PBLA23 START 54.3
HIERARCH ESO ISS PBLA23 END 54.6
HIERARCH ESO ISS PBL24 START 88.302
HIERARCH ESO ISS PBL24 END 88.406
HIERARCH ESO ISS PBLA24 START 24.737
HIERARCH ESO ISS PBLA24 END 25.046
HIERARCH ESO ISS PBL34 START 47.758
HIERARCH ESO ISS PBL34 END 47.734
HIERARCH ESO ISS PBLA34 START 348.436
HIERARCH ESO ISS PBLA34 END 348.738
HIERARCH ESO ISS AMBI TAU0 START 0.002438
HIERARCH ESO ISS AMBI TAU0 END 0.00254
HIERARCH ESO ISS AMBI TEMP 6.38
HIERARCH ESO ISS AMBI FWHM START 0.9
HIERARCH ESO ISS AMBI FWHM END 0.86