Exposure
- ID
- GRAVI.2024-07-17T03:49:42.170_2
- Header ID
- GRAVI.2024-07-17T03:49:42.170
- Date updated
- 2024-07-17 04:05:29 UTC+0000
- Release date
- 2025-07-17 04:05:29 UTC+0000
- UTC Start
- 2024-07-17 03:49:42.170
- UTC End
- 2024-07-17 03:55:42.170
- MJD Start
- 60508.15951586
- MJD End
- 60508.1636825267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00565
- Ambient temperature (°C)
- 17.26
- Seeing (arcsec)
- 0.835
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 | 55.5870 | 55.4440 | 32.2000 | 32.7000 |
| U1-U3 | 100.3100 | 99.9770 | 38.6000 | 39.1000 |
| U1-U4 | 126.0750 | 125.3000 | 67.2330 | 67.8720 |
| U2-U3 | 45.4870 | 45.2950 | 46.4000 | 46.9000 |
| U2-U4 | 86.6530 | 86.0800 | 88.8430 | 89.6230 |
| U3-U4 | 61.3470 | 61.0790 | 118.8880 | 119.8140 |
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 | 60508.15951586 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416869 |
| 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 | 55.587 |
| HIERARCH ESO ISS PBL12 END | 55.444 |
| HIERARCH ESO ISS PBLA12 START | 32.2 |
| HIERARCH ESO ISS PBLA12 END | 32.7 |
| HIERARCH ESO ISS PBL13 START | 100.31 |
| HIERARCH ESO ISS PBL13 END | 99.977 |
| HIERARCH ESO ISS PBLA13 START | 38.6 |
| HIERARCH ESO ISS PBLA13 END | 39.1 |
| HIERARCH ESO ISS PBL14 START | 126.075 |
| HIERARCH ESO ISS PBL14 END | 125.3 |
| HIERARCH ESO ISS PBLA14 START | 67.233 |
| HIERARCH ESO ISS PBLA14 END | 67.872 |
| HIERARCH ESO ISS PBL23 START | 45.487 |
| HIERARCH ESO ISS PBL23 END | 45.295 |
| HIERARCH ESO ISS PBLA23 START | 46.4 |
| HIERARCH ESO ISS PBLA23 END | 46.9 |
| HIERARCH ESO ISS PBL24 START | 86.653 |
| HIERARCH ESO ISS PBL24 END | 86.08 |
| HIERARCH ESO ISS PBLA24 START | 88.843 |
| HIERARCH ESO ISS PBLA24 END | 89.623 |
| HIERARCH ESO ISS PBL34 START | 61.347 |
| HIERARCH ESO ISS PBL34 END | 61.079 |
| HIERARCH ESO ISS PBLA34 START | 118.888 |
| HIERARCH ESO ISS PBLA34 END | 119.814 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004573 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006727 |
| HIERARCH ESO ISS AMBI TEMP | 17.26 |
| HIERARCH ESO ISS AMBI FWHM START | 0.93 |
| HIERARCH ESO ISS AMBI FWHM END | 0.74 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |