Exposure
- ID
- GRAVI.2024-03-26T07:23:03.406_2
- Header ID
- GRAVI.2024-03-26T07:23:03.406
- Date updated
- 2024-03-26 07:40:26 UTC+0000
- Release date
- 2025-03-26 07:40:26 UTC+0000
- UTC Start
- 2024-03-26 07:23:03.406
- UTC End
- 2024-03-26 07:29:03.406
- MJD Start
- 60395.30767831
- MJD End
- 60395.3118449767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0036375
- Ambient temperature (°C)
- 14.46
- Seeing (arcsec)
- 1.35
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 | 56.2520 | 56.2640 | 4.2000 | 5.2000 |
| U1-U3 | 100.9440 | 101.0160 | 9.4000 | 10.4000 |
| U1-U4 | 117.7960 | 118.5610 | 34.0230 | 35.3410 |
| U2-U3 | 45.1950 | 45.2730 | 15.7000 | 16.9000 |
| U2-U4 | 74.4140 | 75.4180 | 56.0730 | 57.3600 |
| U3-U4 | 49.5280 | 50.4490 | 92.2830 | 93.0160 |
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 | 60395.30767831 |
| 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 | 56.252 |
| HIERARCH ESO ISS PBL12 END | 56.264 |
| HIERARCH ESO ISS PBLA12 START | 4.2 |
| HIERARCH ESO ISS PBLA12 END | 5.2 |
| HIERARCH ESO ISS PBL13 START | 100.944 |
| HIERARCH ESO ISS PBL13 END | 101.016 |
| HIERARCH ESO ISS PBLA13 START | 9.4 |
| HIERARCH ESO ISS PBLA13 END | 10.4 |
| HIERARCH ESO ISS PBL14 START | 117.796 |
| HIERARCH ESO ISS PBL14 END | 118.561 |
| HIERARCH ESO ISS PBLA14 START | 34.023 |
| HIERARCH ESO ISS PBLA14 END | 35.341 |
| HIERARCH ESO ISS PBL23 START | 45.195 |
| HIERARCH ESO ISS PBL23 END | 45.273 |
| HIERARCH ESO ISS PBLA23 START | 15.7 |
| HIERARCH ESO ISS PBLA23 END | 16.9 |
| HIERARCH ESO ISS PBL24 START | 74.414 |
| HIERARCH ESO ISS PBL24 END | 75.418 |
| HIERARCH ESO ISS PBLA24 START | 56.073 |
| HIERARCH ESO ISS PBLA24 END | 57.36 |
| HIERARCH ESO ISS PBL34 START | 49.528 |
| HIERARCH ESO ISS PBL34 END | 50.449 |
| HIERARCH ESO ISS PBLA34 START | 92.283 |
| HIERARCH ESO ISS PBLA34 END | 93.016 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003741 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003534 |
| HIERARCH ESO ISS AMBI TEMP | 14.46 |
| HIERARCH ESO ISS AMBI FWHM START | 1.25 |
| HIERARCH ESO ISS AMBI FWHM END | 1.45 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |