Exposure
- ID
- GRAVI.2024-04-27T07:52:44.334_2
- Header ID
- GRAVI.2024-04-27T07:52:44.334
- Date updated
- 2024-04-27 08:05:26 UTC+0000
- Release date
- 2025-04-27 08:05:26 UTC+0000
- UTC Start
- 2024-04-27 07:52:44.334
- UTC End
- 2024-04-27 07:58:44.334
- MJD Start
- 60427.3282909
- MJD End
- 60427.3324575667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003477
- Ambient temperature (°C)
- 17.53
- Seeing (arcsec)
- 1.06
Observation
- ID
- 58934
- Category
- science
- Program ID
- 113.268P.001
- 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 | 56.4950 | 56.4640 | 24.7000 | 25.4000 |
| U1-U3 | 102.3570 | 102.2980 | 31.0000 | 31.8000 |
| U1-U4 | 130.2080 | 130.1920 | 58.9600 | 59.7490 |
| U2-U3 | 46.6240 | 46.5980 | 38.7000 | 39.5000 |
| U2-U4 | 89.3680 | 89.4220 | 79.8090 | 80.6080 |
| U3-U4 | 62.3030 | 62.3930 | 109.2840 | 110.0470 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60427.3282909 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416838 |
| DEC | -29.00734 |
| 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 | 56.495 |
| HIERARCH ESO ISS PBL12 END | 56.464 |
| HIERARCH ESO ISS PBLA12 START | 24.7 |
| HIERARCH ESO ISS PBLA12 END | 25.4 |
| HIERARCH ESO ISS PBL13 START | 102.357 |
| HIERARCH ESO ISS PBL13 END | 102.298 |
| HIERARCH ESO ISS PBLA13 START | 31.0 |
| HIERARCH ESO ISS PBLA13 END | 31.8 |
| HIERARCH ESO ISS PBL14 START | 130.208 |
| HIERARCH ESO ISS PBL14 END | 130.192 |
| HIERARCH ESO ISS PBLA14 START | 58.96 |
| HIERARCH ESO ISS PBLA14 END | 59.749 |
| HIERARCH ESO ISS PBL23 START | 46.624 |
| HIERARCH ESO ISS PBL23 END | 46.598 |
| HIERARCH ESO ISS PBLA23 START | 38.7 |
| HIERARCH ESO ISS PBLA23 END | 39.5 |
| HIERARCH ESO ISS PBL24 START | 89.368 |
| HIERARCH ESO ISS PBL24 END | 89.422 |
| HIERARCH ESO ISS PBLA24 START | 79.809 |
| HIERARCH ESO ISS PBLA24 END | 80.608 |
| HIERARCH ESO ISS PBL34 START | 62.303 |
| HIERARCH ESO ISS PBL34 END | 62.393 |
| HIERARCH ESO ISS PBLA34 START | 109.284 |
| HIERARCH ESO ISS PBLA34 END | 110.047 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003477 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003477 |
| HIERARCH ESO ISS AMBI TEMP | 17.53 |
| HIERARCH ESO ISS AMBI FWHM START | 1.06 |
| HIERARCH ESO ISS AMBI FWHM END | 1.06 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |