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Article Contents
- ABSTRACT
- 1.INTRODUCTION
- 2.WHAT MAKES A GOOD DISTANCE INDICATOR?
- 3.SOME NEW INSIGHTS
- 4.SUMMARY OF PNLF DISTANCES
- 5.SPIRALS
- 6.THE SPIRAL-ELLIPTICAL CONNECTION
- 7.DETAILS OF NEW M87 PNLF STUDIES
- 7.1.A deep PNLF distance contradicts the challenges
- 7.2.Sample size effects are small
- 7.3.Bright PN in M87's halo
- 8.CAN M87 REALLY BE AT 22 MPC?
- 9.SOME IMPORTANT DISTANCES
- 10.CONCLUSIONS
- REFERENCES