Exposure
- ID
- GRAVI.2024-03-29T09:07:27.274_2
- Header ID
- GRAVI.2024-03-29T09:07:27.274
- Date updated
- 2024-03-29 09:20:25 UTC+0000
- Release date
- 2025-03-29 09:20:25 UTC+0000
- UTC Start
- 2024-03-29 09:07:27.274
- UTC End
- 2024-03-29 09:13:27.274
- MJD Start
- 60398.38017678
- MJD End
- 60398.3843434467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006484
- Ambient temperature (°C)
- 13.01
- Seeing (arcsec)
- 0.55
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 | 56.5570 | 56.5600 | 20.0000 | 20.8000 |
| U1-U3 | 102.3780 | 102.4090 | 26.2000 | 27.1000 |
| U1-U4 | 129.1140 | 129.4260 | 53.8270 | 54.7110 |
| U2-U3 | 46.5530 | 46.5880 | 33.8000 | 34.6000 |
| U2-U4 | 87.9280 | 88.2920 | 74.7870 | 75.6340 |
| U3-U4 | 61.0060 | 61.3090 | 104.8420 | 105.5490 |
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 | 60398.38017678 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| 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 | 56.557 |
| HIERARCH ESO ISS PBL12 END | 56.56 |
| HIERARCH ESO ISS PBLA12 START | 20.0 |
| HIERARCH ESO ISS PBLA12 END | 20.8 |
| HIERARCH ESO ISS PBL13 START | 102.378 |
| HIERARCH ESO ISS PBL13 END | 102.409 |
| HIERARCH ESO ISS PBLA13 START | 26.2 |
| HIERARCH ESO ISS PBLA13 END | 27.1 |
| HIERARCH ESO ISS PBL14 START | 129.114 |
| HIERARCH ESO ISS PBL14 END | 129.426 |
| HIERARCH ESO ISS PBLA14 START | 53.827 |
| HIERARCH ESO ISS PBLA14 END | 54.711 |
| HIERARCH ESO ISS PBL23 START | 46.553 |
| HIERARCH ESO ISS PBL23 END | 46.588 |
| HIERARCH ESO ISS PBLA23 START | 33.8 |
| HIERARCH ESO ISS PBLA23 END | 34.6 |
| HIERARCH ESO ISS PBL24 START | 87.928 |
| HIERARCH ESO ISS PBL24 END | 88.292 |
| HIERARCH ESO ISS PBLA24 START | 74.787 |
| HIERARCH ESO ISS PBLA24 END | 75.634 |
| HIERARCH ESO ISS PBL34 START | 61.006 |
| HIERARCH ESO ISS PBL34 END | 61.309 |
| HIERARCH ESO ISS PBLA34 START | 104.842 |
| HIERARCH ESO ISS PBLA34 END | 105.549 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006484 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006484 |
| HIERARCH ESO ISS AMBI TEMP | 13.01 |
| HIERARCH ESO ISS AMBI FWHM START | 0.53 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |