Exposure
- ID
- GRAVI.2024-03-26T07:40:48.451_2
- Header ID
- GRAVI.2024-03-26T07:40:48.451
- Date updated
- 2024-03-26 07:55:25 UTC+0000
- Release date
- 2025-03-26 07:55:25 UTC+0000
- UTC Start
- 2024-03-26 07:40:48.451
- UTC End
- 2024-03-26 07:46:48.451
- MJD Start
- 60395.32000522
- MJD End
- 60395.3241718867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0043075
- Ambient temperature (°C)
- 14.14
- Seeing (arcsec)
- 1.045
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 | 56.2890 | 56.3060 | 6.8000 | 7.7000 |
| U1-U3 | 101.1550 | 101.2410 | 12.1000 | 13.1000 |
| U1-U4 | 119.8970 | 120.6600 | 37.5760 | 38.8240 |
| U2-U3 | 45.4170 | 45.5020 | 18.8000 | 19.9000 |
| U2-U4 | 77.1270 | 78.0800 | 59.5150 | 60.7050 |
| U3-U4 | 51.9820 | 52.8200 | 94.2730 | 94.9840 |
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 | 60395.32000522 |
| 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 | 56.289 |
| HIERARCH ESO ISS PBL12 END | 56.306 |
| HIERARCH ESO ISS PBLA12 START | 6.8 |
| HIERARCH ESO ISS PBLA12 END | 7.7 |
| HIERARCH ESO ISS PBL13 START | 101.155 |
| HIERARCH ESO ISS PBL13 END | 101.241 |
| HIERARCH ESO ISS PBLA13 START | 12.1 |
| HIERARCH ESO ISS PBLA13 END | 13.1 |
| HIERARCH ESO ISS PBL14 START | 119.897 |
| HIERARCH ESO ISS PBL14 END | 120.66 |
| HIERARCH ESO ISS PBLA14 START | 37.576 |
| HIERARCH ESO ISS PBLA14 END | 38.824 |
| HIERARCH ESO ISS PBL23 START | 45.417 |
| HIERARCH ESO ISS PBL23 END | 45.502 |
| HIERARCH ESO ISS PBLA23 START | 18.8 |
| HIERARCH ESO ISS PBLA23 END | 19.9 |
| HIERARCH ESO ISS PBL24 START | 77.127 |
| HIERARCH ESO ISS PBL24 END | 78.08 |
| HIERARCH ESO ISS PBLA24 START | 59.515 |
| HIERARCH ESO ISS PBLA24 END | 60.705 |
| HIERARCH ESO ISS PBL34 START | 51.982 |
| HIERARCH ESO ISS PBL34 END | 52.82 |
| HIERARCH ESO ISS PBLA34 START | 94.273 |
| HIERARCH ESO ISS PBLA34 END | 94.984 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004546 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004069 |
| HIERARCH ESO ISS AMBI TEMP | 14.14 |
| HIERARCH ESO ISS AMBI FWHM START | 1.04 |
| HIERARCH ESO ISS AMBI FWHM END | 1.05 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |