Exposure
- ID
- GRAVI.2024-03-26T09:08:03.673_2
- Header ID
- GRAVI.2024-03-26T09:08:03.673
- Date updated
- 2024-03-26 09:20:29 UTC+0000
- Release date
- 2025-03-26 09:20:29 UTC+0000
- UTC Start
- 2024-03-26 09:08:03.673
- UTC End
- 2024-03-26 09:14:03.673
- MJD Start
- 60395.38059807
- MJD End
- 60395.3847647367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00951
- Ambient temperature (°C)
- 14.48
- Seeing (arcsec)
- 0.63
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 | 56.5440 | 56.5530 | 18.6000 | 19.5000 |
| U1-U3 | 102.2970 | 102.3480 | 24.8000 | 25.6000 |
| U1-U4 | 128.4610 | 128.8560 | 52.2460 | 53.1700 |
| U2-U3 | 46.4730 | 46.5220 | 32.3000 | 33.1000 |
| U2-U4 | 87.1800 | 87.6310 | 73.2850 | 74.1610 |
| U3-U4 | 60.3950 | 60.7630 | 103.6270 | 104.3310 |
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 | 60395.38059807 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416828 |
| DEC | -29.00732 |
| 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 | 56.544 |
| HIERARCH ESO ISS PBL12 END | 56.553 |
| HIERARCH ESO ISS PBLA12 START | 18.6 |
| HIERARCH ESO ISS PBLA12 END | 19.5 |
| HIERARCH ESO ISS PBL13 START | 102.297 |
| HIERARCH ESO ISS PBL13 END | 102.348 |
| HIERARCH ESO ISS PBLA13 START | 24.8 |
| HIERARCH ESO ISS PBLA13 END | 25.6 |
| HIERARCH ESO ISS PBL14 START | 128.461 |
| HIERARCH ESO ISS PBL14 END | 128.856 |
| HIERARCH ESO ISS PBLA14 START | 52.246 |
| HIERARCH ESO ISS PBLA14 END | 53.17 |
| HIERARCH ESO ISS PBL23 START | 46.473 |
| HIERARCH ESO ISS PBL23 END | 46.522 |
| HIERARCH ESO ISS PBLA23 START | 32.3 |
| HIERARCH ESO ISS PBLA23 END | 33.1 |
| HIERARCH ESO ISS PBL24 START | 87.18 |
| HIERARCH ESO ISS PBL24 END | 87.631 |
| HIERARCH ESO ISS PBLA24 START | 73.285 |
| HIERARCH ESO ISS PBLA24 END | 74.161 |
| HIERARCH ESO ISS PBL34 START | 60.395 |
| HIERARCH ESO ISS PBL34 END | 60.763 |
| HIERARCH ESO ISS PBLA34 START | 103.627 |
| HIERARCH ESO ISS PBLA34 END | 104.331 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008606 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010414 |
| HIERARCH ESO ISS AMBI TEMP | 14.48 |
| HIERARCH ESO ISS AMBI FWHM START | 0.71 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |