Exposure
- ID
- GRAVI.2024-07-18T04:16:24.650_2
- Header ID
- GRAVI.2024-07-18T04:16:24.650
- Date updated
- 2024-07-18 08:50:34 UTC+0000
- Release date
- 2025-07-18 08:50:31 UTC+0000
- UTC Start
- 2024-07-18 04:16:24.650
- UTC End
- 2024-07-18 04:22:24.650
- MJD Start
- 60509.17806308
- MJD End
- 60509.182229746664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007622
- Ambient temperature (°C)
- 16.27
- Seeing (arcsec)
- 0.5
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 | 54.7970 | 54.5940 | 34.7000 | 35.2000 |
| U1-U3 | 98.4720 | 98.0000 | 41.0000 | 41.5000 |
| U1-U4 | 121.7780 | 120.6730 | 70.1880 | 70.7870 |
| U2-U3 | 44.4250 | 44.1520 | 48.9000 | 49.3000 |
| U2-U4 | 83.4750 | 82.6590 | 92.5980 | 93.4120 |
| U3-U4 | 59.8580 | 59.4800 | 123.4670 | 124.4960 |
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 | 60509.17806308 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416896 |
| DEC | -29.00733 |
| 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 | 54.797 |
| HIERARCH ESO ISS PBL12 END | 54.594 |
| HIERARCH ESO ISS PBLA12 START | 34.7 |
| HIERARCH ESO ISS PBLA12 END | 35.2 |
| HIERARCH ESO ISS PBL13 START | 98.472 |
| HIERARCH ESO ISS PBL13 END | 98.0 |
| HIERARCH ESO ISS PBLA13 START | 41.0 |
| HIERARCH ESO ISS PBLA13 END | 41.5 |
| HIERARCH ESO ISS PBL14 START | 121.778 |
| HIERARCH ESO ISS PBL14 END | 120.673 |
| HIERARCH ESO ISS PBLA14 START | 70.188 |
| HIERARCH ESO ISS PBLA14 END | 70.787 |
| HIERARCH ESO ISS PBL23 START | 44.425 |
| HIERARCH ESO ISS PBL23 END | 44.152 |
| HIERARCH ESO ISS PBLA23 START | 48.9 |
| HIERARCH ESO ISS PBLA23 END | 49.3 |
| HIERARCH ESO ISS PBL24 START | 83.475 |
| HIERARCH ESO ISS PBL24 END | 82.659 |
| HIERARCH ESO ISS PBLA24 START | 92.598 |
| HIERARCH ESO ISS PBLA24 END | 93.412 |
| HIERARCH ESO ISS PBL34 START | 59.858 |
| HIERARCH ESO ISS PBL34 END | 59.48 |
| HIERARCH ESO ISS PBLA34 START | 123.467 |
| HIERARCH ESO ISS PBLA34 END | 124.496 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007357 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007887 |
| HIERARCH ESO ISS AMBI TEMP | 16.27 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |