Exposure
- ID
- GRAVI.2024-05-29T04:46:19.267_2
- Header ID
- GRAVI.2024-05-29T04:46:19.267
- Date updated
- 2024-05-29 05:00:30 UTC+0000
- Release date
- 2025-05-29 05:00:30 UTC+0000
- UTC Start
- 2024-05-29 04:46:19.267
- UTC End
- 2024-05-29 04:52:19.267
- MJD Start
- 60459.19883411
- MJD End
- 60459.2030007767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004117
- Ambient temperature (°C)
- 14.64
- Seeing (arcsec)
- 0.625
Observation
- ID
- 59423
- Category
- science
- Program ID
- 113.268P.002
- 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
- 266.417083333333
- 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 | 56.5240 | 56.5370 | 17.3000 | 18.2000 |
| U1-U3 | 102.2010 | 102.2650 | 23.4000 | 24.3000 |
| U1-U4 | 127.7570 | 128.2180 | 50.7670 | 51.7190 |
| U2-U3 | 46.3830 | 46.4420 | 30.8000 | 31.8000 |
| U2-U4 | 86.3850 | 86.9060 | 71.8910 | 72.7870 |
| U3-U4 | 59.7490 | 60.1720 | 102.5410 | 103.2350 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60459.19883411 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416878 |
| 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 | 56.524 |
| HIERARCH ESO ISS PBL12 END | 56.537 |
| HIERARCH ESO ISS PBLA12 START | 17.3 |
| HIERARCH ESO ISS PBLA12 END | 18.2 |
| HIERARCH ESO ISS PBL13 START | 102.201 |
| HIERARCH ESO ISS PBL13 END | 102.265 |
| HIERARCH ESO ISS PBLA13 START | 23.4 |
| HIERARCH ESO ISS PBLA13 END | 24.3 |
| HIERARCH ESO ISS PBL14 START | 127.757 |
| HIERARCH ESO ISS PBL14 END | 128.218 |
| HIERARCH ESO ISS PBLA14 START | 50.767 |
| HIERARCH ESO ISS PBLA14 END | 51.719 |
| HIERARCH ESO ISS PBL23 START | 46.383 |
| HIERARCH ESO ISS PBL23 END | 46.442 |
| HIERARCH ESO ISS PBLA23 START | 30.8 |
| HIERARCH ESO ISS PBLA23 END | 31.8 |
| HIERARCH ESO ISS PBL24 START | 86.385 |
| HIERARCH ESO ISS PBL24 END | 86.906 |
| HIERARCH ESO ISS PBLA24 START | 71.891 |
| HIERARCH ESO ISS PBLA24 END | 72.787 |
| HIERARCH ESO ISS PBL34 START | 59.749 |
| HIERARCH ESO ISS PBL34 END | 60.172 |
| HIERARCH ESO ISS PBLA34 START | 102.541 |
| HIERARCH ESO ISS PBLA34 END | 103.235 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004019 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004215 |
| HIERARCH ESO ISS AMBI TEMP | 14.64 |
| HIERARCH ESO ISS AMBI FWHM START | 0.63 |
| HIERARCH ESO ISS AMBI FWHM END | 0.62 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |