Exposure
- ID
- GRAVI.2024-07-25T04:49:19.206_2
- Header ID
- GRAVI.2024-07-25T04:49:19.206
- Date updated
- 2024-07-25 05:05:32 UTC+0000
- Release date
- 2025-07-25 05:05:32 UTC+0000
- UTC Start
- 2024-07-25 04:49:19.206
- UTC End
- 2024-07-25 04:55:19.206
- MJD Start
- 60516.20091674
- MJD End
- 60516.20508340667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0033615
- Ambient temperature (°C)
- 13.53
- Seeing (arcsec)
- 0.7949999999999999
Observation
- ID
- 60139
- Category
- science
- Program ID
- 113.268P.004
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- 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 / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.4170833333333
- DEC
- -29.007681694444443
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 | 52.3430 | 52.0080 | 38.5000 | 38.9000 |
| U1-U3 | 92.8170 | 92.0500 | 44.8000 | 45.1000 |
| U1-U4 | 108.7130 | 106.9730 | 75.5710 | 76.1190 |
| U2-U3 | 41.1770 | 40.7390 | 52.7000 | 53.0000 |
| U2-U4 | 73.9850 | 72.7510 | 100.7910 | 101.7650 |
| U3-U4 | 55.6780 | 55.1750 | 134.1840 | 135.4820 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60516.20091674 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417252 |
| DEC | -29.00738 |
| 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 | 52.343 |
| HIERARCH ESO ISS PBL12 END | 52.008 |
| HIERARCH ESO ISS PBLA12 START | 38.5 |
| HIERARCH ESO ISS PBLA12 END | 38.9 |
| HIERARCH ESO ISS PBL13 START | 92.817 |
| HIERARCH ESO ISS PBL13 END | 92.05 |
| HIERARCH ESO ISS PBLA13 START | 44.8 |
| HIERARCH ESO ISS PBLA13 END | 45.1 |
| HIERARCH ESO ISS PBL14 START | 108.713 |
| HIERARCH ESO ISS PBL14 END | 106.973 |
| HIERARCH ESO ISS PBLA14 START | 75.571 |
| HIERARCH ESO ISS PBLA14 END | 76.119 |
| HIERARCH ESO ISS PBL23 START | 41.177 |
| HIERARCH ESO ISS PBL23 END | 40.739 |
| HIERARCH ESO ISS PBLA23 START | 52.7 |
| HIERARCH ESO ISS PBLA23 END | 53.0 |
| HIERARCH ESO ISS PBL24 START | 73.985 |
| HIERARCH ESO ISS PBL24 END | 72.751 |
| HIERARCH ESO ISS PBLA24 START | 100.791 |
| HIERARCH ESO ISS PBLA24 END | 101.765 |
| HIERARCH ESO ISS PBL34 START | 55.678 |
| HIERARCH ESO ISS PBL34 END | 55.175 |
| HIERARCH ESO ISS PBLA34 START | 134.184 |
| HIERARCH ESO ISS PBLA34 END | 135.482 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003152 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003571 |
| HIERARCH ESO ISS AMBI TEMP | 13.53 |
| HIERARCH ESO ISS AMBI FWHM START | 0.83 |
| HIERARCH ESO ISS AMBI FWHM END | 0.76 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |