Exposure
- ID
- GRAVI.2024-07-17T04:52:54.330_2
- Header ID
- GRAVI.2024-07-17T04:52:54.330
- Date updated
- 2024-07-17 05:10:24 UTC+0000
- Release date
- 2025-07-17 05:10:24 UTC+0000
- UTC Start
- 2024-07-17 04:52:54.330
- UTC End
- 2024-07-17 04:58:54.330
- MJD Start
- 60508.2034066
- MJD End
- 60508.2075732667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009612
- Ambient temperature (°C)
- 17.42
- Seeing (arcsec)
- 0.52
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 | 53.6300 | 53.3570 | 36.9000 | 37.3000 |
| U1-U3 | 95.7700 | 95.1410 | 43.2000 | 43.6000 |
| U1-U4 | 115.4850 | 114.0330 | 73.1480 | 73.7150 |
| U2-U3 | 42.8680 | 42.5070 | 51.1000 | 51.5000 |
| U2-U4 | 78.8570 | 77.8030 | 96.8330 | 97.7140 |
| U3-U4 | 57.7590 | 57.2960 | 128.9290 | 130.0920 |
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 | 60508.2034066 |
| 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 | 53.63 |
| HIERARCH ESO ISS PBL12 END | 53.357 |
| HIERARCH ESO ISS PBLA12 START | 36.9 |
| HIERARCH ESO ISS PBLA12 END | 37.3 |
| HIERARCH ESO ISS PBL13 START | 95.77 |
| HIERARCH ESO ISS PBL13 END | 95.141 |
| HIERARCH ESO ISS PBLA13 START | 43.2 |
| HIERARCH ESO ISS PBLA13 END | 43.6 |
| HIERARCH ESO ISS PBL14 START | 115.485 |
| HIERARCH ESO ISS PBL14 END | 114.033 |
| HIERARCH ESO ISS PBLA14 START | 73.148 |
| HIERARCH ESO ISS PBLA14 END | 73.715 |
| HIERARCH ESO ISS PBL23 START | 42.868 |
| HIERARCH ESO ISS PBL23 END | 42.507 |
| HIERARCH ESO ISS PBLA23 START | 51.1 |
| HIERARCH ESO ISS PBLA23 END | 51.5 |
| HIERARCH ESO ISS PBL24 START | 78.857 |
| HIERARCH ESO ISS PBL24 END | 77.803 |
| HIERARCH ESO ISS PBLA24 START | 96.833 |
| HIERARCH ESO ISS PBLA24 END | 97.714 |
| HIERARCH ESO ISS PBL34 START | 57.759 |
| HIERARCH ESO ISS PBL34 END | 57.296 |
| HIERARCH ESO ISS PBLA34 START | 128.929 |
| HIERARCH ESO ISS PBLA34 END | 130.092 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009612 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009612 |
| HIERARCH ESO ISS AMBI TEMP | 17.42 |
| HIERARCH ESO ISS AMBI FWHM START | 0.55 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |