Exposure
- ID
- GRAVI.2024-07-17T02:21:53.947_2
- Header ID
- GRAVI.2024-07-17T02:21:53.947
- Date updated
- 2024-07-17 02:40:34 UTC+0000
- Release date
- 2025-07-17 02:40:34 UTC+0000
- UTC Start
- 2024-07-17 02:21:53.947
- UTC End
- 2024-07-17 02:27:53.947
- MJD Start
- 60508.09854105
- MJD End
- 60508.102707716665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004606
- Ambient temperature (°C)
- 17.37
- Seeing (arcsec)
- 0.685
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
- 266.4170833333333
- DEC
- -29.007681694444443
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 | 56.5370 | 56.5180 | 23.3000 | 24.0000 |
| U1-U3 | 102.4230 | 102.3960 | 29.6000 | 30.3000 |
| U1-U4 | 130.0780 | 130.1720 | 57.3980 | 58.2080 |
| U2-U3 | 46.6410 | 46.6370 | 37.2000 | 38.0000 |
| U2-U4 | 89.1170 | 89.2710 | 78.2510 | 79.0540 |
| U3-U4 | 62.0340 | 62.1900 | 107.8400 | 108.5770 |
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 | 60508.09854105 |
| 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 | 56.537 |
| HIERARCH ESO ISS PBL12 END | 56.518 |
| HIERARCH ESO ISS PBLA12 START | 23.3 |
| HIERARCH ESO ISS PBLA12 END | 24.0 |
| HIERARCH ESO ISS PBL13 START | 102.423 |
| HIERARCH ESO ISS PBL13 END | 102.396 |
| HIERARCH ESO ISS PBLA13 START | 29.6 |
| HIERARCH ESO ISS PBLA13 END | 30.3 |
| HIERARCH ESO ISS PBL14 START | 130.078 |
| HIERARCH ESO ISS PBL14 END | 130.172 |
| HIERARCH ESO ISS PBLA14 START | 57.398 |
| HIERARCH ESO ISS PBLA14 END | 58.208 |
| HIERARCH ESO ISS PBL23 START | 46.641 |
| HIERARCH ESO ISS PBL23 END | 46.637 |
| HIERARCH ESO ISS PBLA23 START | 37.2 |
| HIERARCH ESO ISS PBLA23 END | 38.0 |
| HIERARCH ESO ISS PBL24 START | 89.117 |
| HIERARCH ESO ISS PBL24 END | 89.271 |
| HIERARCH ESO ISS PBLA24 START | 78.251 |
| HIERARCH ESO ISS PBLA24 END | 79.054 |
| HIERARCH ESO ISS PBL34 START | 62.034 |
| HIERARCH ESO ISS PBL34 END | 62.19 |
| HIERARCH ESO ISS PBLA34 START | 107.84 |
| HIERARCH ESO ISS PBLA34 END | 108.577 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004606 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004606 |
| HIERARCH ESO ISS AMBI TEMP | 17.37 |
| HIERARCH ESO ISS AMBI FWHM START | 0.71 |
| HIERARCH ESO ISS AMBI FWHM END | 0.66 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |