Exposure
- ID
- GRAVI.2024-06-25T03:43:32.453_2
- Header ID
- GRAVI.2024-06-25T03:43:32.453
- Date updated
- 2024-06-25 03:55:26 UTC+0000
- Release date
- 2025-06-25 03:55:25 UTC+0000
- UTC Start
- 2024-06-25 03:43:32.453
- UTC End
- 2024-06-25 03:48:52.453
- MJD Start
- 60486.15523673
- MJD End
- 60486.1589404337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003095
- Ambient temperature (°C)
- 9.62
- Seeing (arcsec)
- 0.74
Observation
- ID
- 59742
- Category
- science
- Program ID
- 113.268P.003
- 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 | 56.5350 | 22.7000 | 23.4000 |
| U1-U3 | 102.4330 | 102.4200 | 29.0000 | 29.7000 |
| U1-U4 | 129.9710 | 130.0930 | 56.7760 | 57.5010 |
| U2-U3 | 46.6370 | 46.6410 | 36.6000 | 37.3000 |
| U2-U4 | 88.9670 | 89.1400 | 77.6380 | 78.3530 |
| U3-U4 | 61.8940 | 62.0560 | 107.2890 | 107.9330 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60486.15523673 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416918 |
| DEC | -29.00728 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.547 |
| HIERARCH ESO ISS PBL12 END | 56.535 |
| HIERARCH ESO ISS PBLA12 START | 22.7 |
| HIERARCH ESO ISS PBLA12 END | 23.4 |
| HIERARCH ESO ISS PBL13 START | 102.433 |
| HIERARCH ESO ISS PBL13 END | 102.42 |
| HIERARCH ESO ISS PBLA13 START | 29.0 |
| HIERARCH ESO ISS PBLA13 END | 29.7 |
| HIERARCH ESO ISS PBL14 START | 129.971 |
| HIERARCH ESO ISS PBL14 END | 130.093 |
| HIERARCH ESO ISS PBLA14 START | 56.776 |
| HIERARCH ESO ISS PBLA14 END | 57.501 |
| 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 | 37.3 |
| HIERARCH ESO ISS PBL24 START | 88.967 |
| HIERARCH ESO ISS PBL24 END | 89.14 |
| HIERARCH ESO ISS PBLA24 START | 77.638 |
| HIERARCH ESO ISS PBLA24 END | 78.353 |
| HIERARCH ESO ISS PBL34 START | 61.894 |
| HIERARCH ESO ISS PBL34 END | 62.056 |
| HIERARCH ESO ISS PBLA34 START | 107.289 |
| HIERARCH ESO ISS PBLA34 END | 107.933 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002963 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003227 |
| HIERARCH ESO ISS AMBI TEMP | 9.62 |
| HIERARCH ESO ISS AMBI FWHM START | 0.78 |
| HIERARCH ESO ISS AMBI FWHM END | 0.7 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |