Exposure
- ID
- GRAVI.2024-03-29T08:19:42.152_2
- Header ID
- GRAVI.2024-03-29T08:19:42.152
- Date updated
- 2024-03-29 08:35:25 UTC+0000
- Release date
- 2025-03-29 08:35:25 UTC+0000
- UTC Start
- 2024-03-29 08:19:42.152
- UTC End
- 2024-03-29 08:25:42.152
- MJD Start
- 60398.34701565
- MJD End
- 60398.3511823167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006484
- Ambient temperature (°C)
- 12.89
- Seeing (arcsec)
- 0.45
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 | 56.4480 | 56.4680 | 13.9000 | 14.7000 |
| U1-U3 | 101.8730 | 101.9600 | 19.7000 | 20.7000 |
| U1-U4 | 125.4810 | 126.0890 | 46.6470 | 47.6870 |
| U2-U3 | 46.0890 | 46.1670 | 27.0000 | 27.9000 |
| U2-U4 | 83.8040 | 84.4970 | 68.0430 | 69.0120 |
| U3-U4 | 57.6510 | 58.2180 | 99.7310 | 100.4140 |
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 | 60398.34701565 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| 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 | 56.448 |
| HIERARCH ESO ISS PBL12 END | 56.468 |
| HIERARCH ESO ISS PBLA12 START | 13.9 |
| HIERARCH ESO ISS PBLA12 END | 14.7 |
| HIERARCH ESO ISS PBL13 START | 101.873 |
| HIERARCH ESO ISS PBL13 END | 101.96 |
| HIERARCH ESO ISS PBLA13 START | 19.7 |
| HIERARCH ESO ISS PBLA13 END | 20.7 |
| HIERARCH ESO ISS PBL14 START | 125.481 |
| HIERARCH ESO ISS PBL14 END | 126.089 |
| HIERARCH ESO ISS PBLA14 START | 46.647 |
| HIERARCH ESO ISS PBLA14 END | 47.687 |
| HIERARCH ESO ISS PBL23 START | 46.089 |
| HIERARCH ESO ISS PBL23 END | 46.167 |
| HIERARCH ESO ISS PBLA23 START | 27.0 |
| HIERARCH ESO ISS PBLA23 END | 27.9 |
| HIERARCH ESO ISS PBL24 START | 83.804 |
| HIERARCH ESO ISS PBL24 END | 84.497 |
| HIERARCH ESO ISS PBLA24 START | 68.043 |
| HIERARCH ESO ISS PBLA24 END | 69.012 |
| HIERARCH ESO ISS PBL34 START | 57.651 |
| HIERARCH ESO ISS PBL34 END | 58.218 |
| HIERARCH ESO ISS PBLA34 START | 99.731 |
| HIERARCH ESO ISS PBLA34 END | 100.414 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006484 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006484 |
| HIERARCH ESO ISS AMBI TEMP | 12.89 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.47 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |