Exposure
- ID
- GRAVI.2024-07-18T02:13:12.337_2
- Header ID
- GRAVI.2024-07-18T02:13:12.337
- Date updated
- 2024-07-18 08:45:42 UTC+0000
- Release date
- 2025-07-18 08:45:39 UTC+0000
- UTC Start
- 2024-07-18 02:13:12.337
- UTC End
- 2024-07-18 02:19:12.337
- MJD Start
- 60509.0925039
- MJD End
- 60509.0966705667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009609
- Ambient temperature (°C)
- 17.52
- Seeing (arcsec)
- 0.605
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
- 266.417083333333
- 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 | 56.5470 | 56.5320 | 22.7000 | 23.5000 |
| U1-U3 | 102.4320 | 102.4170 | 29.0000 | 29.8000 |
| U1-U4 | 129.9750 | 130.1090 | 56.7950 | 57.6170 |
| U2-U3 | 46.6370 | 46.6410 | 36.6000 | 37.4000 |
| U2-U4 | 88.9720 | 89.1630 | 77.6570 | 78.4670 |
| U3-U4 | 61.8980 | 62.0790 | 107.3060 | 108.0370 |
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 | 60509.0925039 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416896 |
| DEC | -29.00733 |
| 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 | 56.547 |
| HIERARCH ESO ISS PBL12 END | 56.532 |
| HIERARCH ESO ISS PBLA12 START | 22.7 |
| HIERARCH ESO ISS PBLA12 END | 23.5 |
| HIERARCH ESO ISS PBL13 START | 102.432 |
| HIERARCH ESO ISS PBL13 END | 102.417 |
| HIERARCH ESO ISS PBLA13 START | 29.0 |
| HIERARCH ESO ISS PBLA13 END | 29.8 |
| HIERARCH ESO ISS PBL14 START | 129.975 |
| HIERARCH ESO ISS PBL14 END | 130.109 |
| HIERARCH ESO ISS PBLA14 START | 56.795 |
| HIERARCH ESO ISS PBLA14 END | 57.617 |
| HIERARCH ESO ISS PBL23 START | 46.637 |
| HIERARCH ESO ISS PBL23 END | 46.641 |
| HIERARCH ESO ISS PBLA23 START | 36.6 |
| HIERARCH ESO ISS PBLA23 END | 37.4 |
| HIERARCH ESO ISS PBL24 START | 88.972 |
| HIERARCH ESO ISS PBL24 END | 89.163 |
| HIERARCH ESO ISS PBLA24 START | 77.657 |
| HIERARCH ESO ISS PBLA24 END | 78.467 |
| HIERARCH ESO ISS PBL34 START | 61.898 |
| HIERARCH ESO ISS PBL34 END | 62.079 |
| HIERARCH ESO ISS PBLA34 START | 107.306 |
| HIERARCH ESO ISS PBLA34 END | 108.037 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00539 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.013828 |
| HIERARCH ESO ISS AMBI TEMP | 17.52 |
| HIERARCH ESO ISS AMBI FWHM START | 0.76 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |