Exposure
- ID
- GRAVI.2024-03-29T08:28:27.174_2
- Header ID
- GRAVI.2024-03-29T08:28:27.174
- Date updated
- 2024-03-29 08:45:25 UTC+0000
- Release date
- 2025-03-29 08:45:25 UTC+0000
- UTC Start
- 2024-03-29 08:28:27.174
- UTC End
- 2024-03-29 08:34:27.174
- MJD Start
- 60398.35309229
- MJD End
- 60398.3572589567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006484
- Ambient temperature (°C)
- 12.96
- Seeing (arcsec)
- 0.54
Observation
- ID
- 58832
- Category
- science
- Program ID
- 112.25CV.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ WIDMANN/ DRESCHER/ RIBEIRO/ SADUN BORDONI/ STRAUBMEIER/ BRANDNER/ PERRIN/ ROUSSELET-PERRAUT/ GARCIA/ MANG/ PAUMARD/ ECKART/ VINCENT/ BOURDAROT/ LUTZ/ STURM/ CAO/ HORROBIN/ DE ZEEUW
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4750 | 56.4940 | 15.0000 | 15.9000 |
| U1-U3 | 101.9910 | 102.0720 | 21.0000 | 21.9000 |
| U1-U4 | 126.2980 | 126.8630 | 48.0530 | 49.0640 |
| U2-U3 | 46.1940 | 46.2680 | 28.3000 | 29.2000 |
| U2-U4 | 84.7350 | 85.3760 | 69.3530 | 70.2960 |
| U3-U4 | 58.4120 | 58.9320 | 100.6580 | 101.3440 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 112.25CV.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60398.35309229 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416809 |
| DEC | -29.00729 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.475 |
| HIERARCH ESO ISS PBL12 END | 56.494 |
| HIERARCH ESO ISS PBLA12 START | 15.0 |
| HIERARCH ESO ISS PBLA12 END | 15.9 |
| HIERARCH ESO ISS PBL13 START | 101.991 |
| HIERARCH ESO ISS PBL13 END | 102.072 |
| HIERARCH ESO ISS PBLA13 START | 21.0 |
| HIERARCH ESO ISS PBLA13 END | 21.9 |
| HIERARCH ESO ISS PBL14 START | 126.298 |
| HIERARCH ESO ISS PBL14 END | 126.863 |
| HIERARCH ESO ISS PBLA14 START | 48.053 |
| HIERARCH ESO ISS PBLA14 END | 49.064 |
| HIERARCH ESO ISS PBL23 START | 46.194 |
| HIERARCH ESO ISS PBL23 END | 46.268 |
| HIERARCH ESO ISS PBLA23 START | 28.3 |
| HIERARCH ESO ISS PBLA23 END | 29.2 |
| HIERARCH ESO ISS PBL24 START | 84.735 |
| HIERARCH ESO ISS PBL24 END | 85.376 |
| HIERARCH ESO ISS PBLA24 START | 69.353 |
| HIERARCH ESO ISS PBLA24 END | 70.296 |
| HIERARCH ESO ISS PBL34 START | 58.412 |
| HIERARCH ESO ISS PBL34 END | 58.932 |
| HIERARCH ESO ISS PBLA34 START | 100.658 |
| HIERARCH ESO ISS PBLA34 END | 101.344 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006484 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006484 |
| HIERARCH ESO ISS AMBI TEMP | 12.96 |
| HIERARCH ESO ISS AMBI FWHM START | 0.52 |
| HIERARCH ESO ISS AMBI FWHM END | 0.56 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |