Exposure
- ID
- GRAVI.2024-07-17T03:20:30.096_2
- Header ID
- GRAVI.2024-07-17T03:20:30.096
- Date updated
- 2024-07-17 03:35:31 UTC+0000
- Release date
- 2025-07-17 03:35:30 UTC+0000
- UTC Start
- 2024-07-17 03:20:30.096
- UTC End
- 2024-07-17 03:26:30.096
- MJD Start
- 60508.13923722
- MJD End
- 60508.1434038867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005767
- Ambient temperature (°C)
- 17.3
- Seeing (arcsec)
- 0.765
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 | 56.0940 | 56.0010 | 29.5000 | 30.1000 |
| U1-U3 | 101.4830 | 101.2700 | 35.9000 | 36.5000 |
| U1-U4 | 128.7320 | 128.2650 | 64.2190 | 64.9030 |
| U2-U3 | 46.1590 | 46.0380 | 43.7000 | 44.3000 |
| U2-U4 | 88.5760 | 88.2460 | 85.3540 | 86.1210 |
| U3-U4 | 62.2160 | 62.0750 | 114.9270 | 115.7710 |
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 | 60508.13923722 |
| 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 | 56.094 |
| HIERARCH ESO ISS PBL12 END | 56.001 |
| HIERARCH ESO ISS PBLA12 START | 29.5 |
| HIERARCH ESO ISS PBLA12 END | 30.1 |
| HIERARCH ESO ISS PBL13 START | 101.483 |
| HIERARCH ESO ISS PBL13 END | 101.27 |
| HIERARCH ESO ISS PBLA13 START | 35.9 |
| HIERARCH ESO ISS PBLA13 END | 36.5 |
| HIERARCH ESO ISS PBL14 START | 128.732 |
| HIERARCH ESO ISS PBL14 END | 128.265 |
| HIERARCH ESO ISS PBLA14 START | 64.219 |
| HIERARCH ESO ISS PBLA14 END | 64.903 |
| HIERARCH ESO ISS PBL23 START | 46.159 |
| HIERARCH ESO ISS PBL23 END | 46.038 |
| HIERARCH ESO ISS PBLA23 START | 43.7 |
| HIERARCH ESO ISS PBLA23 END | 44.3 |
| HIERARCH ESO ISS PBL24 START | 88.576 |
| HIERARCH ESO ISS PBL24 END | 88.246 |
| HIERARCH ESO ISS PBLA24 START | 85.354 |
| HIERARCH ESO ISS PBLA24 END | 86.121 |
| HIERARCH ESO ISS PBL34 START | 62.216 |
| HIERARCH ESO ISS PBL34 END | 62.075 |
| HIERARCH ESO ISS PBLA34 START | 114.927 |
| HIERARCH ESO ISS PBLA34 END | 115.771 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005831 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005703 |
| HIERARCH ESO ISS AMBI TEMP | 17.3 |
| HIERARCH ESO ISS AMBI FWHM START | 0.82 |
| HIERARCH ESO ISS AMBI FWHM END | 0.71 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |